Official: Masterflex Calcium Reactor Setup Thread

[Ucantwin]

Hello everyone. I'm in the market for a used Masterflex pump. I'm new to using a peristaltic pump so I find it hard to recognize a good deal. Anyone have or know of a good deal on a pump?

[hkgar]

THere are plenty of references to the pumps that are best for reactors in this thread. Determine what you want and search around in Ebay for selling history to determine what is a good deal. What was a good deal 5 years ago has change a lot.

[gdemos]

Let me take a look tomorrow but I think you're head is fine. Some pump drives require what is called a "long shaft" pump head but I don't have any personal experience with them. If it was working fine before something funky is going on.

any luck uncovering info on "long shaft pump head"? it sounds like this (or somehow getting a bushing on the flywheel shaft would help.
-Greg

[Ucantwin]

Is the masterflex 7520-40 a good pump?

[hkgar]

Masterflex are great pumps. Is the 7520-40 a good pump? Does it do what you want in terms of flow? It is not brushless, if that is important to you.

[jh2pizza]

This setup maintains consistency dead on. I have it set where my CA reactor is flatlines at 6.57ph.

Im running a GEO 624, Aquarium Plants regulator and a Masterflex on 250G system.

Its not keeping up. So am I better off increasing the flow rate a little or lowering my reactors PH? My tank PH hovers around 8. Dips a little at night.

I am just starting to switch the tank over to SPS.

[eric23]

Anyone seen these ? I emailed coralvue and they said they placed and order and should be available by april ? It's made to feed calcium reactors and run 24/7 and has an adjustable flow rate. I've seen some videos looks like it might be good especially at 250.00 https://uploads.tapatalk-cdn.com/20180304/d59910e0159a8ebc995c0a8e6753eecf.jpg

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[tkeracer619]

This setup maintains consistency dead on. I have it set where my CA reactor is flatlines at 6.57ph.

Im running a GEO 624, Aquarium Plants regulator and a Masterflex on 250G system.

Its not keeping up. So am I better off increasing the flow rate a little or lowering my reactors PH? My tank PH hovers around 8. Dips a little at night.

I am just starting to switch the tank over to SPS.

You can adjust the PH lower.

You can also adjust both the effluent and gas delivery which will maintain the current ph. Often I will increase effluent flow 10% and also increase either gas pressure or bubbles per second by 10% as well. If the PH is where you want it then this is what I do, if you want ph a little lower then just increase the gas flow a little.

[tkeracer619]

Anyone seen these ? I emailed coralvue and they said they placed and order and should be available by april ? It's made to feed calcium reactors and run 24/7 and has an adjustable flow rate. I've seen some videos looks like it might be good especially at 250.00 https://uploads.tapatalk-cdn.com/20180304/d59910e0159a8ebc995c0a8e6753eecf.jpg

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I know several companies are working on some continuous duty peristaltic pumps. I do hope they have taken into account that we need ball bearings in the motors and not brass bushings like most stepper motors come with. Also, hopefully they were able to keep the noise down, steppers are notoriously noisy.

Edit, looks like they did. Seems relatively quiet!

After watching a bunch of vids, they are always running fast, I wonder what the lowest speed is. I assume it's low but there is a slight language barrier. Hopefully this is a workable solution! Maybe I can convince BigBlueTang to order one for his reactor so I can get some hands on with it :)

[Bpb]

Anybody have word on when Geo will release theirs? I’ve heard rumblings and they confirmed it to a friend of mine who spoke with them at a trade show but no info on their website, forums, and they won’t answer my emails about it. I’ve loved my masterflex, but it looks like it is from the Vietnam war era, and is noisy as all get out. I really don’t have 2 grand to drop on a new brushless model but I want to keep this same level of consistent effluent


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[jh2pizza]

[QUOTE]Anybody have word on when Geo will release theirs? /QUOTE]

Not sure. I have not heard from Sedar forever. Didn't know he was working on it.

[jh2pizza]

Would one effect the overall PH of the main tank any more than the other? Running a higher PH in the reactor with higher flow rate versus maintaining the flow rate but lowering the PH?



You can adjust the PH lower.

You can also adjust both the effluent and gas delivery which will maintain the current ph. Often I will increase effluent flow 10% and also increase either gas pressure or bubbles per second by 10% as well. If the PH is where you want it then this is what I do, if you want ph a little lower then just increase the gas flow a little.

[michael.lemke]

I know several companies are working on some continuous duty peristaltic pumps. I do hope they have taken into account that we need ball bearings in the motors and not brass bushings like most stepper motors come with. Also, hopefully they were able to keep the noise down, steppers are notoriously noisy.

Edit, looks like they did. Seems relatively quiet!

After watching a bunch of vids, they are always running fast, I wonder what the lowest speed is. I assume it's low but there is a slight language barrier. Hopefully this is a workable solution! Maybe I can convince BigBlueTang to order one for his reactor so I can get some hands on with it :)



I sent BRS an e mail asking about it as well. They vary one product from the same company already. Maybe they’ll buy one to test out and decide to carry them or not based on the findings. I’m tired of my loud masterflex but love the consistency. I don’t want to drop 750 on a used pump to get brushless.


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[tkeracer619]

Would one effect the overall PH of the main tank any more than the other? Running a higher PH in the reactor with higher flow rate versus maintaining the flow rate but lowering the PH?

Nope, it's all the same. What effects the PH of your tank is the total amount of gas added to the tank. Either way, it's the same.

You can increase effectiveness and reduced ph output by adding a second media chamber.

[tkeracer619]

I’m tired of my loud masterflex but love the consistency. I don’t want to drop 750 on a used pump to get brushless.


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Several companies have contacted me regarding this stuff. I know a few out there are working to solve the issue of a reliable continuous duty peristaltic that doesn't break the bank. To make the product with a decent profit margin it either is going to cost a fair amount or suffer in various places.

Hopefully we can get a reliable option soon. There are a LOT of people out there who I have helped source pumps and many on this thread deserve a lot of credit for helping others out! The setup is awesome, I'm proud of the effort the community has put forward to keep it going and help out their fellow reefers!

[Kain]

How do you guys keep the tubing in place? I just picked up a 7523-80 and when running it with the pharmamed tubing noticed that it moves in the direction that I set (CW). I'm using about 12" of LS17 equivalent tubing.

[slief]

How do you guys keep the tubing in place? I just picked up a 7523-80 and when running it with the pharmamed tubing noticed that it moves in the direction that I set (CW). I'm using about 12" of LS17 equivalent tubing.

Your head should be designed for LS17 tubing. Not all are. There are some tabs on each side of the head where the tubing goes in and out that you adjust to pinch the tubing in place by sliding them down. They are referred to as occlusion.

[tkeracer619]

If it is an easyload head use the tabs. If it is a standard load then I typically zip the two tubing sides together.

As slief pointed out the head must be designed for the right type of tubing.

[Kain]

Thanks fellas. I did what Slief said and it’s working great. I should’ve gotten a masterflex sooner.


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[tkeracer619]

Awesome! They're great aren't they :D

[Kain]

So far so good. The pH in my carx has been stable. I’ll be happy when I’m on my next business trip and I don’t see the graph just shooting up and down.


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[tkeracer619]

I used to work 10 days out of state, 4 home, 10 away, 4 home for about 2 years. It was critical that I had stable and reliable equipment. Part of that drove this whole setup.

[Kain]

Exactly. I thought I could do the stream method but after about a week the stream would lessen. I travel at least a week a month, sometimes more, so this was necessary. It’s not cheap, but considering how much we dump in to this hobby, what’s another $400 to $1000.


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[zip70]

How do you guys keep the tubing in place? I just picked up a 7523-80 and when running it with the pharmamed tubing noticed that it moves in the direction that I set (CW). I'm using about 12" of LS17 equivalent tubing.

How much did you pay for that pump? if you don't mind. Thanks

[Kain]

I paid $460 including shipping. The one I have is only 100 rpm.


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[earwicker7]

Was asked by the OP to re-post this from a separate thread:

I'm beyond sick of the constant fiddling around I have to do to keep my calcium reactor running stable, so I am hoping that changing to a peristaltic pump for the feed will be the magic bullet it seems to be for those who have tried them.

I'm looking for one that is relatively quiet... it doesn't need to be silent, as my fish room is already kind of noisy, but I don't want something that can be heard three rooms away.

I know new ones can be expensive, so used is OK if it is reliable.

Any suggestions in the $500 to $1,000 range?

[LQT]

Go on eBay and look for these brushless pumps...

7550-30
7523-60
7523-80

As far as heads go, zoom in and look at the photos of the pumphead to see if L/S 17 tubing can be used. If you’re not sure if a head uses L/S 17 tubing, look at ip model number of the head on the Cole Parmer website. In the specs, it will show what kind of tubing is compatible.

[Kain]

I’ll add that the 7523-80 is newer and has the digital display. The -80 goes up to 600rpm. There is also a 7523-90 which is similar to the 80 but only does 100rpm.


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[MrineLfRlz]

What are the best pump heads to find on ebay that are reasonably priced but are reliable?
Im still in the process of building my calcium reactor setup and have the masterflex 7523-70 pump with no pump head yet.
thanks

[Ucantwin]

When looking at pumps on eBay don't be afraid to make an offer to the seller. I was able to get a 7523-60 pump and head for $500 shipped when they originally wanted $750 for the pump and another $125 for the head.

[Davenkim]

I just recieved a 7523-60 today. Using the recommended size 17 tubing. I need to run 20 ml per minute but can't get lower than 20. Is there a way to run slower? My reef is fairly new so needs are not super high yet

[tkeracer619]

I just recieved a 7523-60 today. Using the recommended size 17 tubing. I need to run 20 ml per minute but can't get lower than 20. Is there a way to run slower? My reef is fairly new so needs are not super high yet

If you have a easyload head you can either run a smaller tubi g or set the pump as low as it wiill go and then adjust the ph in the reactor higher.

Make sure you are in rpm mode to get lowest speed.

[Davenkim]

So I am running ph at 6.5 Ish. How high should i set it to start with? It is easy load head 77200-60

[Davenkim]

And I am actually only currently running 10 ml per minute. I thought it was 20, but I just counted and it is actually 10 ml per minute. If possible I would like to use my current tubing because I would have to order smaller tubing and wait for it to arrive

Thanks so much for the help!

[Kain]

Run the ph inside your reactor higher to compensate for the increase in mL/min.


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[Davenkim]

Ok, but what ph would be safe to start at? 7.3 to 7.4?

[Kain]

That’s hard to say. What do you currently have in your tank.


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[zip70]

I paid $460 including shipping. The one I have is only 100 rpm.


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Hi Kain,
How do I know which 7523-80 only run 100 rpm or more? is it 100 rpm good enough for average?

[tkeracer619]

Hi Kain,
How do I know which 7523-80 only run 100 rpm or more? is it 100 rpm good enough for average?

If you put the model number into coleparmer.com website it will tell you about the drive. Some of the older ones won't display much information. If you look at pics on ebay or wherever you are buying the drive it states on the back of the unit the rpm range. The 1-100rpm drives are good units but I usually recommend the 6-600rpm drives. Most people will run the drive between 20 and 40 rpm. By using a drive capable of 600rpm you are running the motor slower and reducing wear, the 600rpm drives tend to be quieter when run at low speeds. Either will work for our systems though.

[Davenkim]

I have a 3 inch squamosa clam. Several small sps frags, (11), alot of lps. 1 huge goniopora, 3 small goniopora, 4 torches, 5 hammers, a large duncan. That is the majority of it. I possibly missed a few though. I currently have reactor running at 10 ml per minute with a ph of 6.5 to 6.6 and my alk is stable.

Thanks,

David

[Davenkim]

Looks like ls 16 tubing would work for my slower rate. Does anybody know what the US plastic equivalent for that is? I can't seem to find anything on it.

Thanks,

David

[tkeracer619]

LS 16 = 0.8ml/min per rpm
LS 25 = 1.7ml/min per rpm
LS 17 = 2.8ml/min per rpm

LS 16 Equivalent is https://www.usplastic.com/catalog/item.aspx?itemid=25399&catid=864
LS 25 Equivalent is https://www.usplastic.com/catalog/item.aspx?itemid=25400&catid=864
LS 17 Equivalent is https://www.usplastic.com/catalog/item.aspx?itemid=25534&catid=864

You will need to get different nipple/barb fittings for the different tubing sets.

[Davenkim]

LS 16 = 0.8ml/min per rpm
LS 25 = 1.7ml/min per rpm
LS 17 = 2.8ml/min per rpm

LS 16 Equivalent is https://www.usplastic.com/catalog/item.aspx?itemid=25399&catid=864
LS 25 Equivalent is https://www.usplastic.com/catalog/item.aspx?itemid=25400&catid=864
LS 17 Equivalent is https://www.usplastic.com/catalog/item.aspx?itemid=25534&catid=864

You will need to get different nipple/barb fittings for the different tubing sets.

[Davenkim]

You are so awesome! Thanks so much for sharing all your knowledge on this. I would have never figured it out on my own. This thread has been so so helpful.

David

[zip70]

I have a 3 inch squamosa clam. Several small sps frags, (11), alot of lps. 1 huge goniopora, 3 small goniopora, 4 torches, 5 hammers, a large duncan. That is the majority of it. I possibly missed a few though. I currently have reactor running at 10 ml per minute with a ph of 6.5 to 6.6 and my alk is stable.

Thanks,

David

Hi David,
I just curios about your reactor dialing. My question is IF you increase output from 10 ml per minute to 20 ml or 30 per minute, then what happen to your Alk? will it increase or decrease? TIA

[Davenkim]

Assuming the reactor ph is the same it increases. If I increase the ph to decrease how much media melts then I am not sure. I am going to play with that this weekend when I am off work and able to test alot. I will let you know what I find out.

David

[networkcrasher]

I know several companies are working on some continuous duty peristaltic pumps. I do hope they have taken into account that we need ball bearings in the motors and not brass bushings like most stepper motors come with. Also, hopefully they were able to keep the noise down, steppers are notoriously noisy.

Edit, looks like they did. Seems relatively quiet!

After watching a bunch of vids, they are always running fast, I wonder what the lowest speed is. I assume it's low but there is a slight language barrier. Hopefully this is a workable solution! Maybe I can convince BigBlueTang to order one for his reactor so I can get some hands on with it :)

I have one of the Kamoer FX-STP's running on my Vertex RX-C 6D. It's pretty dang quiet, certainly doesn't sound like the DOS running at any speed. It is easily calibrated and will run from 1mL/min to 120mL/min at 1mL increments. All you do is just twist the knob to change the flow rate. I've only had it running for a week but so far, so good. I currently have it configured to push through the Vertex, but after reading, I will most likely change it to pull tonight. Comes with decent english instructions on how to calibrate it, but it's basically "dispense x amount of liquid, measure it, and plug into the pump what it pumped out down to .00mL. Then you put it in run mode, push the dial, pump starts, then you dial in the speed you want.

Now, quieting down my bubble-eating pump in the Vertex, that's another conversation.

What other questions would you have? happy to help.

[tkeracer619]

Awesome!

Main questions are...

Does it restart after power outage?
What size tubing is it using?

[Ucantwin]

@tkeracer619 Your question about restarting after a power outage got me wondering if mine would.

I bought the 7523-60 and I just went and unplugged it and plugged it back in and it did not restart. Is there a way for it to restart?

[tkeracer619]

Yup, sure will. Instructions for most digital drives are as follows...


Automatic Start Enable/Disable (INTernal mode only) Press and hold STOP/START on power-up. After five (5) seconds, display will change to all dashes. Then, while holding STOP/START, press PRIME five (5) times. Display will flash "ON" or "OFF". Use UP/DOWN (▲, ▼) arrow keys to set automatic start option. Press any other key to exit. When "ON" is selected, pump will start automatically at power-up if it was "ON" when powered down.

[Ucantwin]

It works! Thank you so much!

[tkeracer619]

Awesome, you're welcome :)

[zip70]

I need the pump but I don't know the model number. I know the brushless model number but they are too expensive for me. My sump is in the garage so noise is ok for me. Please advice for the model number work good for me.
Thank you

[stephj03]

Can someone do me a favor and post a cell phone pic of the voltage/amps info on the power supply for the AP regulator?

My power supply got separated from the reg in a box with other power supplies that have the same tip.

Thanks


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[hkgar]

Here you go

https://photos.app.goo.gl/74760UYbH5mVdKQ23

Can someone do me a favor and post a cell phone pic of the voltage/amps info on the power supply for the AP regulator?

My power supply got separated from the reg in a box with other power supplies that have the same tip.

Thanks


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[tkeracer619]

I need the pump but I don't know the model number. I know the brushless model number but they are too expensive for me. My sump is in the garage so noise is ok for me. Please advice for the model number work good for me.
Thank you

What is your budget?

[IdahoCindy]

I just joined the Masterflex club! Yippee! Found a 7523-80 on eBay. I also ordered a new carbon doser regulator from BRS. I've been having some trouble dialing in my Inovative Marine calcium reactor. These two items should really help.

[tkeracer619]

I just joined the Masterflex club! Yippee! Found a 7523-80 on eBay. I also ordered a new carbon doser regulator from BRS. I've been having some trouble dialing in my Inovative Marine calcium reactor. These two items should really help.

Welcome to the club!!! You're going to love it :D

[zip70]

What is your budget?

Around 300
Thanks

[zip70]

I just joined the Masterflex club! Yippee! Found a 7523-80 on eBay. I also ordered a new carbon doser regulator from BRS. I've been having some trouble dialing in my Inovative Marine calcium reactor. These two items should really help.

7523-80 is a decent one. You will like it. How much do you pay for that? If you don't mind.

[IdahoCindy]

They go for about $950 on Ebay. I was able to get mine for less but I'd rather not reveal the price since the seller has another one for sale. Needless to say, there was some back and forth negotiation and I should have taken his first counteroffer.

Now I need to know what kind of tubing to get. I will get to reading this thread...

[networkcrasher]

Awesome!

Main questions are...

Does it restart after power outage?
What size tubing is it using?

this is a good question. I didn't think to test it. Just pulled the power from it, waited 5s and plugged it back in and it powered up and started pumping nearly immediately (after the "welcome screen/firmware display").

It came with a length of 1/4" silicone tube and another of 3/8" silicone tube. The instructions call for using a barbed adapter and using the 3/8" line on the output. I'm currently pushing water through my CaRx but thought about changing it to a pull. haven't done it yet. Vertex recommended I keep the CaRx under pressure, but their reasoning was to force out a leak rather than suck in air. Not sure if I am on board with that, but whatever.

On the output of mine, i took a short section of the 3/8" silicone tubing, attached it to the barb adapter they provided, and took the tube and slid it over some 1/4" plastic RO line to run over to my CaRx as it uses john guest quick connects.

[zip70]

Masterflex L/S Digital Drive, 100 RPM, 115/230 VAC 0, 07523-90
Is this one work for our application?
TIA

[zip70]

Masterflex L/S Digital Drive, 100 RPM, 115/230 VAC 0, 07523-90
Is this one work for our application?
TIA

[Kain]

I have that one. It works for me. The only thing is the rpm.


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[zip70]

I have that one. It works for me. The only thing is the rpm.


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how much did you pay for yours?

[tkeracer619]

this is a good question. I didn't think to test it. Just pulled the power from it, waited 5s and plugged it back in and it powered up and started pumping nearly immediately (after the "welcome screen/firmware display").

It came with a length of 1/4" silicone tube and another of 3/8" silicone tube. The instructions call for using a barbed adapter and using the 3/8" line on the output. I'm currently pushing water through my CaRx but thought about changing it to a pull. haven't done it yet. Vertex recommended I keep the CaRx under pressure, but their reasoning was to force out a leak rather than suck in air. Not sure if I am on board with that, but whatever.

On the output of mine, i took a short section of the 3/8" silicone tubing, attached it to the barb adapter they provided, and took the tube and slid it over some 1/4" plastic RO line to run over to my CaRx as it uses john guest quick connects.

Thanks for the response! Sure looks promising!

[hkgar]

how much did you pay for yours?

I also have the 7523-90 and have had it over 2 years.

I would hate to tell you what I paid for it as I bought it before the demand for these pumps rose so dramatically.

[zip70]

I also have the 7523-90 and have had it over 2 years.

I would hate to tell you what I paid for it as I bought it before the demand for these pumps rose so dramatically.

Thank you...
How much should I pay 1 for now? I am new in this field.

[hkgar]

Check out the various masterflex pumps on ebay.

[NeverlosT]

I got a 7523-60 (digital brushless) for $280 without a pump head on ebay. SUPER good buy, man it is WAY quieter than the brushed versions.

The only thing that i am not stoked with is it seems to only allow me to adjust flow 10ml at a time, and I want to dose 45ml/min, not 40 or 50...

[tkeracer619]

I got a 7523-60 (digital brushless) for $280 without a pump head on ebay. SUPER good buy, man it is WAY quieter than the brushed versions.

The only thing that i am not stoked with is it seems to only allow me to adjust flow 10ml at a time, and I want to dose 45ml/min, not 40 or 50...

Change it to RPM mode. You can go in 1rpm increments.

[NeverlosT]

Awesome, thanks I will try that!

[IdahoCindy]

I paid $640 for my 7523-80 on ebay and it arrived a couple of days ago. It looks like brand new! I also ordered and received the tubing and connectors from USPlastics.com I'm so looking forward to getting it up and running.

[zip70]

I paid $640 for my 7523-80 on ebay and it arrived a couple of days ago. It looks like brand new! I also ordered and received the tubing and connectors from USPlastics.com I'm so looking forward to getting it up and running.

Good for you Cindy...Have fun with your new toy.

[tkeracer619]

I paid $640 for my 7523-80 on ebay and it arrived a couple of days ago. It looks like brand new! I also ordered and received the tubing and connectors from USPlastics.com I'm so looking forward to getting it up and running.

Awesome, welcome to the club!

[Homey the Reefkeeper]

I recently joined the club by getting a good condition 7523-80 Digital Peristaltic Pump off ebay several months ago. I ran it with LS17 pharmed tubing for maybe a couple of months then the unit began throwing error 12 and error 14 which indicates the pump is stalled. I contacted cole parmer support and they suggested I replace the gear kit which I paid $90 shipped and that didn't fix the issue. Now in order to repair it I have to spend $800 to ship it to them which I'm very on the fence with doing so.

As an alternative I got a second 7550-60 pump off ebay again and that unit runs for maybe an hour before I get a "fault" error on the LCD screen. I have to repeatedly hit the start button again to get the pump going. So now I'm shopping for third pump to see if I have better luck.

I hear from most parmer owners that the units are rock solid but that has not been my experience. Maybe it's just user error on my part? I wonder if anyone else has had as much trouble as I with these pumps.

[tkeracer619]

Shipping can be rough on them if the controller isn't packaged well.

If you pull out the gear set on the one that is throwing the stall error can you spin the motor freely?

Does it work with the gear set removed?

Sometimes the bearings go bad and need replacing.

Can you return the second one?

This is one reason I always want people to get a complete unit, run it from day one even if they don't use it on the tank right away. If you make it through the return period without any faults you are usually good to go for a long time. Most of the people selling these don't really know how to fully test them and don't know their history.

[hkgar]

I recently joined the club by getting a good condition 7523-80 Digital Peristaltic Pump off ebay several months ago. I ran it with LS17 pharmed tubing for maybe a couple of months then the unit began throwing error 12 and error 14 which indicates the pump is stalled. I contacted cole parmer support and they suggested I replace the gear kit which I paid $90 shipped and that didn't fix the issue. Now in order to repair it I have to spend $800 to ship it to them which I'm very on the fence with doing so.

As an alternative I got a second 7550-60 pump off ebay again and that unit runs for maybe an hour before I get a "fault" error on the LCD screen. I have to repeatedly hit the start button again to get the pump going. So now I'm shopping for third pump to see if I have better luck.

I hear from most parmer owners that the units are rock solid but that has not been my experience. Maybe it's just user error on my part? I wonder if anyone else has had as much trouble as I with these pumps.

It seems to be a story of lightening striking twice. It would shake your confidence.

[zip70]

how come Cole Parmer website did not find this model number 900-1255.
see pic

[stephj03]

Anybody take the box off of their AP regulator and connect it to a true dual stage? I have a dual stage airgas reg. Is there a benefit to this? Is it literally as simple as unscrew from the AP ref and screw into the airgas reg?


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[balz3352]

Can we sticky or make a new thread on how to actually set up and fine tune.

How to increase/decrease alk in tank depending on the situation.

What increasing/decreasing the effluent will do.

What increasing/decreasing ph will do.

All in relation to the tank.

Best place to start for a new reactor and how to adjust from there.


I know the answers are here but hard to find in a 2800 post thread.


Thanks guys!

[tkeracer619]

Anybody take the box off of their AP regulator and connect it to a true dual stage? I have a dual stage airgas reg. Is there a benefit to this? Is it literally as simple as unscrew from the AP ref and screw into the airgas reg?


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Yes, that is all you need to do. As described in the first few posts that is as far as I am concerned the ultimate setup for a reactor. It works great.

[tkeracer619]

Can we sticky or make a new thread on how to actually set up and fine tune.

How to increase/decrease alk in tank depending on the situation.

What increasing/decreasing the effluent will do.

What increasing/decreasing ph will do.

All in relation to the tank.

Best place to start for a new reactor and how to adjust from there.


I know the answers are here but hard to find in a 2800 post thread.


Thanks guys!

It is in the first few posts. I can update the tuning post to be more clear but I would prefer to keep all posts regarding this setup in this thread. Yes, it is long, but starting a new thread would require a lot of explaining. If you have any questions or comments on how you would like to see the tuning post adjusted let me know, and I will see if I can incorporate it.

The first few posts in this thread tell you what you need to know. Every tank will be the same, tank has x demand, you adjust gas and effluent until demand is met. The reactor setups can vary brand to brand but the actual tuning is the same. That is what is brilliant about the setup, very easy to dial in, and very precise/predictable.

[tkeracer619]

how come Cole Parmer website did not find this model number 900-1255.
see pic

Model numbers starting with 900 are custom ordered products. They more than likely cannot tell you what it is. Anyone ordering a 900 series part number can figure out what it is with pictures but please only buy complete units as firmware can vary between them and it may not be possible to find matching hardware in modular units.

[balz3352]

It is in the first few posts. I can update the tuning post to be more clear but I would prefer to keep all posts regarding this setup in this thread. Yes, it is long, but starting a new thread would require a lot of explaining. If you have any questions or comments on how you would like to see the tuning post adjusted let me know, and I will see if I can incorporate it.

The first few posts in this thread tell you what you need to know. Every tank will be the same, tank has x demand, you adjust gas and effluent until demand is met. The reactor setups can vary brand to brand but the actual tuning is the same. That is what is brilliant about the setup, very easy to dial in, and very precise/predictable.No problem. In the first few posts there really is no infor for starting a new reactor. Only integrating, at least from what I understand. Id appreciate that.


Maybe start at xbubbles and y ml effluent. Or stsrt at z ph and y ml. Then to increase alk of the system decrease ph or increase ml.
To decrease alk in tank increase ph or decrease ml. (or both)

Something like that.


I guess what I'm really asking is that I don't fully understand how to completely fine tune a system and what to do when demand increases or decrease in the tank.

[zip70]

No problem. In the first few posts there really is no infor for starting a new reactor. Only integrating, at least from what I understand. Id appreciate that.


Maybe start at xbubbles and y ml effluent. Or stsrt at z ph and y ml. Then to increase alk of the system decrease ph or increase ml.
To decrease alk in tank increase ph or decrease ml. (or both)

Something like that.


I guess what I'm really asking is that I don't fully understand how to completely fine tune a system and what to do when demand increases or decrease in the tank.

This link can help you to start from the beginning.
http://reef.diesyst.com/crarticle/crarticle.htm

[M3P]

I've been struggling with steady effluent for a while and after a ton of reading on using Dos, Kangaroo, Masterflex, etc I decided to pull the trigger and join the club. Grabbed a 7523-70 with an easy load. Hopefully this was the right decision. Already have a AP reg set and a lifereef calcium reactor. wooh!

[zip70]

I just joined the Masterflex club! Yippee! Found a 7523-80 on eBay. I also ordered a new carbon doser regulator from BRS. I've been having some trouble dialing in my Inovative Marine calcium reactor. These two items should really help.

Any update on the pump? It worked for you?

[M3P]

Question: Since I purchased a 1.6-100 RPM brushless motor, am I better off going with bigger size tubing to cut back on how fast I have to run the motor and how noisy it gets or should I be ok with the 1/4" tubing?

[balz3352]

Im having the hardest time keeping bubbles from collecting in my reactor.

I can completely purge the reactor for what I can tell but after a few hours i have a big bubble at the top and my recirc pump is pumping a big mixtue of air and water.

Initially I was doing effluent at 40ml ive uped it to 80. But of course with the increase in rate i have to increase the bpm or size.

Im using the carbon doser and a geo 612x2 reactor

[slief]

Im having the hardest time keeping bubbles from collecting in my reactor.

I can completely purge the reactor for what I can tell but after a few hours i have a big bubble at the top and my recirc pump is pumping a big mixtue of air and water.

Initially I was doing effluent at 40ml ive uped it to 80. But of course with the increase in rate i have to increase the bpm or size.

Im using the carbon doser and a geo 612x2 reactor

It’s pretty simple. Your issue is definitely one of the following. It’s up to you to figure out which one it is.

A) You have a vacuum leak on the circulation pump or it’s intake connection to the reactor or intake side of the Masterflex pump.

B) You are picking up microbubbles from inside your sump via the intake tubing for the Masterflex pump

C) You are putting in more Co2 than the output rate of your Masterflex. It might help to recalibrate your pH probe to be certain that’s not part of the issue. I run at 65ml/min on my Masterflex and 1 bubble every 3.5 seconds at 3PSI to maintain about 6.75 pH in my reactor. If you have too much Co2 going in compared the flow rate of the Masterflex then you will build upon excess gas in the reactor and if your pH probe isn’t calibrated properly then you will get erroneous pH readings leading you to add too much gas. Then you have a double edge sword because the excess gas in the reactor will create bubbles in the probe tip that impact the pH readings inside the reactor. Shaking the reactor when purging the air/gas will help remedy that but you should double check your probe calibration with some pH 7 solution to see what the probe reads.

[zip70]

if the ebay seller post 7523-70 with 7518-10 pump head for $565, then how much should i offer?
the other is 7523-60 with easy load 3 was $495, then how much should I?
TIA.

[earwicker7]

Looking to hop on the peristaltic train... do either of these look like a good deal?

https://www.ebay.com/itm/Cole-Parmer-MasterFlex-Peristaltic-Pump-7523-60-W-Easy-load-7518-10-Head/323205323303?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2055119.m1438.l2649

https://www.ebay.com/itm/Cole-Parmer-MasterFlex-Peristaltic-pump-computerized-drive-7550-30-77200-60/152981512395?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2055119.m1438.l2649

[jolliolli]

I’m wondering if anyone can help me on a few questions. I’ve got an L/S 7551 that I have been using to feed my deltec calcium reactor (pf501) with an aquarium plants carbon doser. I had a power surge which affected the pump and now it blows a fuse every time I power it on. Questions:

1. Does anyone have a secondhand circuit board I could buy to replace the one I have?

2. I’ve been using a dosing pump in the interim. One thing I have liked is that my pH is no longer depressed (even with co2 scrubber it was constantly low). Has anyone used one of these pumps as a dosing pump instead of with a calcium reactor?
3. What would I need to do to convert my l/s pump to a multichannel pump? I have an easy load head would I need different heads or can I stack multiple easy load heads. Do the heads run independently?

[networkcrasher]

For 2, are you running the pump like a traditional dosing pump as an on/off schedule, or constantly? Curious what you’re seeing related to pH as I have a scrubber on my skimmer and still get .3 ph swings from 7.9-8.2ish max. As far as using it as a dosing pump, guess it depends on what and how much you need to dose as it’d be continuous, unless you’re switching power on and off to it from an apex.

For 3, if there’s only one motor, not sure how the heads could run independently.

[Krazie4Acans]

for 3 you can stack upto 4 heads (maybe more but I've seen 4 stacked) the issue is that they are all driven from the same moter and are all driven at the same time and the same amount so you couldn't use that setup as a multi-channel doser like the ones with multiple heads.

[jolliolli]

For 2, are you running the pump like a traditional dosing pump as an on/off schedule, or constantly? Curious what you’re seeing related to pH as I have a scrubber on my skimmer and still get .3 ph swings from 7.9-8.2ish max. As far as using it as a dosing pump, guess it depends on what and how much you need to dose as it’d be continuous, unless you’re switching power on and off to it from an apex.

For 3, if there’s only one motor, not sure how the heads could run independently.
I haven’t tried to use it as a dosing pump yet - but if I was going to I would run it intermittently rather than constantly. For my pH it typically swung between 7.6 and 7.9/8 and that was running a co2 scrubber and a second media filled chamber. With the dosing pump I have been using pH has consistently been between 8.15 and 8.3/4 and the growth has sped up.

[jolliolli]

for 3 you can stack upto 4 heads (maybe more but I've seen 4 stacked) the issue is that they are all driven from the same moter and are all driven at the same time and the same amount so you couldn't use that setup as a multi-channel doser like the ones with multiple heads.


Ah ok, that is what I thought the problem might be, so that rules that option out.

[abhishek@1985]

Planing to setup my new geos 6x18 calcium reactor with a secondary chamber. Its a little too big for my tank which is 90 gallons acro only system but I have plans to upgrade later this year .
Got aquarium plants regulator and waiting to get my masterflex pump.
I know people often recommend to pull water from the reactor than to push it with masterflex.
Stupid question but please help me understand how do you pull water ?

Do you pull the water with masterflex pump by connecting to the input of the masterflex pump to the effluent line and then have a maxijet to push water into the reactor ? I believe i should match the masterflex rate to the feed pump ?

Sorry for such basic question !

Regards,
Abhishek

[networkcrasher]

I haven’t tried to use it as a dosing pump yet - but if I was going to I would run it intermittently rather than constantly. For my pH it typically swung between 7.6 and 7.9/8 and that was running a co2 scrubber and a second media filled chamber. With the dosing pump I have been using pH has consistently been between 8.15 and 8.3/4 and the growth has sped up.

Sorry, having a hard time following the last part. What did you start dosing that increased your pH that far? That’s a huge difference. Are you using a dosing pump on your calcium reactor? Is your all demand still being met? Are you dosingnon a schedule on the calcium reactor?

I’m certainly interested in getting rid of my co2 scrubber by my ph was low before I ever put in the calcium reactor.

[networkcrasher]

Planing to setup my new geos 6x18 calcium reactor with a secondary chamber. Its a little too big for my tank which is 90 gallons acro only system but I have plans to upgrade later this year .
Got aquarium plants regulator and waiting to get my masterflex pump.
I know people often recommend to pull water from the reactor than to push it with masterflex.
Stupid question but please help me understand how do you pull water ?

Do you pull the water with masterflex pump by connecting to the input of the masterflex pump to the effluent line and then have a maxijet to push water into the reactor ? I believe i should match the masterflex rate to the feed pump ?

Sorry for such basic question !

Regards,
Abhishek

The effluent line is on the input of the master flex pump. The input of the reactor just sits in the water. The pump sucks the water through the reactor instead of pulling it.

[abhishek@1985]

The effluent line is on the input of the master flex pump. The input of the reactor just sits in the water. The pump sucks the water through the reactor instead of pulling it.

Thanks for the reply man ! Am wondering if there will be issues with bubbles getting trapped anywhere . May be I am just overthinking it .

Regards,
Abhishek

[networkcrasher]

I think you’re over thinking it. There’s little difference than pushing or pulling the water. The pull method creates a vacuum which makes leaks stay inside the reactor. The hydrodynamics of where bubbles end up should be similar to both methods

[hkgar]

I think, could be wrong, most of us pull from the tank to the reactor and then back to the tank.

Tube from tank to pump then to reactor then back to tank.

[networkcrasher]

I go from sump to carx to pump back to sump

[jolliolli]

Sorry, having a hard time following the last part. What did you start dosing that increased your pH that far? That’s a huge difference. Are you using a dosing pump on your calcium reactor? Is your all demand still being met? Are you dosingnon a schedule on the calcium reactor?

I’m certainly interested in getting rid of my co2 scrubber by my ph was low before I ever put in the calcium reactor.


Hi, sorry I should have explained that better. Up until. Couple of weeks ago I was using a calcium reactor (deltec pf501) fed by a masterflex l/s 7551 for maintaining calcium / alkalinity in my tank. The calcium reactor was controlled by a pH controller which turned on the co2 when pH in the reactor rose to 6.4.

During this tume I also monitored pH in the sump and it generally sat at a low of 7.7 at night/ early morning and rose as high as 7.9 during the day.

Then I had a power surge and it blew a circuit board in my masterflex pump. As a result I had to cease using the calcium reactor and switched to dosing a two-part calcium / alkalinity mix (Randy’s recipe), dosed via a bubble magus dosing pump. Since then I have had a massive pH jump and growth rates have increased. This leads me to believe that excess co2 in the effluent stream from the co2 reactor is the cause of my low pH. Now I need to decide whether to go back to a calcium reactor or switch to using a dosing pump

[hkgar]

Hi, sorry I should have explained that better. Up until. Couple of weeks ago I was using a calcium reactor (deltec pf501) fed by a masterflex l/s 7551 for maintaining calcium / alkalinity in my tank. The calcium reactor was controlled by a pH controller which turned on the co2 when pH in the reactor rose to 6.4.

During this tume I also monitored pH in the sump and it generally sat at a low of 7.7 at night/ early morning and rose as high as 7.9 during the day.

Then I had a power surge and it blew a circuit board in my masterflex pump. As a result I had to cease using the calcium reactor and switched to dosing a two-part calcium / alkalinity mix (Randy’s recipe), dosed via a bubble magus dosing pump. Since then I have had a massive pH jump and growth rates have increased. This leads me to believe that excess co2 in the effluent stream from the co2 reactor is the cause of my low pH. Now I need to decide whether to go back to a calcium reactor or switch to using a dosing pump

I am dosing about 2.3 dKH/day with my ReefOctopus pumping 100/ml/hour and ph reaches 7.9 and I see nothing to worry about but am curious as to what would. I had been dosing saturatide Kalk but still pretty much ph stayed at 7.9,

Has the dKH level changed? What about calcium?

[abhishek@1985]

Can someone let me know if a COLE-PARMER Masterflex Microprocessor Pump 7524-10 with Easy Load head 7518-0 good enough ? Am not sure about the noise level on this one as am not sure if its brushless . If anyone has used one, please chime in

Regards,
Abhishek

[jolliolli]

I am dosing about 2.3 dKH/day with my ReefOctopus pumping 100/ml/hour and ph reaches 7.9 and I see nothing to worry about but am curious as to what would. I had been dosing saturatide Kalk but still pretty much ph stayed at 7.9,

Has the dKH level changed? What about calcium?

I still have to find the sweet spot with the dosing pump, I’m dosing 350ml a day of Randy’s recipe at the moment but I’m still not keeping up with consumption, so will have to increase it further.

I had thought about dosing Kalk with the calcium reactor - so interested to hear that you haven’t seen much of a boost to your pH with the Kalk.

[souk]

I've noticed that my sps aren't as happy as they usually are so I tested my alk and it's higher then I like. What would be the best route on bring it down? Back off co2, ramp up m/f, or back off both? TIA

[slief]

Can someone let me know if a COLE-PARMER Masterflex Microprocessor Pump 7524-10 with Easy Load head 7518-0 good enough ? Am not sure about the noise level on this one as am not sure if its brushless . If anyone has used one, please chime in

Regards,
Abhishek

Not a brushless so it will be fairly noisy. It also looks like its a 60 RPM model which if true makes it not a good choice. Ideally you want 600 rpm model as it will last much longer due to a lower RPM percentage at our usage rates.
https://www.coleparmer.com/i/drive-mflex-l-s-1-60-rpm-115v/0752410?searchterm=7524-10

[tkeracer619]

I've noticed that my sps aren't as happy as they usually are so I tested my alk and it's higher then I like. What would be the best route on bring it down? Back off co2, ramp up m/f, or back off both? TIA

Back off CO2.

The question I have is why is it higher? Was the tank stable with this setup? If so, the SPS may not be consuming as much and that is why the tank went higher. Check everything, do not just assume it is because of higher alk.

This setup should be very stable and anytime it went from balanced to too high of alk I would be concerned that there is something reducing consumption. High phosphates among other things can inhibit calcification.

[souk]

Back off CO2.

The question I have is why is it higher? Was the tank stable with this setup? If so, the SPS may not be consuming as much and that is why the tank went higher. Check everything, do not just assume it is because of higher alk.

This setup should be very stable and anytime it went from balanced to too high of alk I would be concerned that there is something reducing consumption. High phosphates among other things can inhibit calcification.

That didn't cross my mind, thank you for bringing it up! I sold a huge colony and some frags recently. That and now that you mentioned PO4. I just tested it 2 days ago and it is also higher then usual. GFO was changed and since have noticed that the SPS is starting to slime at the base again. I backed off the CO2 this morning and will continue to monitor alk daily to see where it will settle. Thanks again!

[hkgar]

I still have to find the sweet spot with the dosing pump, I’m dosing 350ml a day of Randy’s recipe at the moment but I’m still not keeping up with consumption, so will have to increase it further.

I had thought about dosing Kalk with the calcium reactor - so interested to hear that you haven’t seen much of a boost to your pH with the Kalk.

How large is your tank?

[Gary Majchrzak]

As you might know- I've been reefing for a long time. I just set up a new 265 with my GEO 624 + Carbondoser CaRx.
The needle valve thing gets old.
I already have a peristaltic pump here- my Spectrapure Litermeter.
Could a Litermeter be used to pull from my GEO?
It doesn't seem like a novel idea to me...is anybody doing this?

great thread from what I had time to read- TIA

[scuzy]

As you might know- I've been reefing for a long time. I just set up a new 265 with my GEO 624 + Carbondoser CaRx.

The needle valve thing gets old.

I already have a peristaltic pump here- my Spectrapure Litermeter.

Could a Litermeter be used to pull from my GEO?

It doesn't seem like a novel idea to me...is anybody doing this?



great thread from what I had time to read- TIA



There litermeter pumps are not meant for continuous cycle. Will burn out over time plus you can't adjust the flow.


Sent from my iPhone using Tapatalk Pro

[Gary Majchrzak]

I realize Litermeter works a little differently than some of the other pumps being mentioned in this thread...
but it DOES work continuously and I CAN adjust the flow.
Been using one for over a decade now to dose kalk.

[alemone]

I realize Litermeter works a little differently than some of the other pumps being mentioned in this thread...
but it DOES work continuously and I CAN adjust the flow.
Been using one for over a decade now to dose kalk.

Of course, you can run it continuously. The question is how long will it last if you do.

[Gary Majchrzak]

Litermeter doses not continuously...but incrementally.
I would base rate of dosage on demand...just as I do with kalk for evap

[IdahoCindy]

I'm loving my new-to-me Masterflex. However, if the power goes out I have to manually restart it. Is there a setting change I can make to prevent me having to do this? Unfortunately, my power went out briefly one day and I didn't notice that the pump was not running until 2 days later. Now I find myself checking on it daily.

[hkgar]

I'm loving my new-to-me Masterflex. However, if the power goes out I have to manually restart it. Is there a setting change I can make to prevent me having to do this? Unfortunately, my power went out briefly one day and I didn't notice that the pump was not running until 2 days later. Now I find myself checking on it daily.

I am pretty sure all Masterflex have a way of setting auto restart. I have mine set up that way.

go to www.coleparmer.com and enter your pump model and find the intruction manual.

[Vinny Kreyling]

Gary, the Litremeter itself has not been mentioned for a reactor but one of the pumps has.
I think it's the ultra precise ATO.
If I'm wrong I'm sure someone will correct me with the right model.

[slief]

I'm loving my new-to-me Masterflex. However, if the power goes out I have to manually restart it. Is there a setting change I can make to prevent me having to do this? Unfortunately, my power went out briefly one day and I didn't notice that the pump was not running until 2 days later. Now I find myself checking on it daily.

Depending on the model, some have the ability to automatically start on power on. I know my 7523-80 does.

[Gary Majchrzak]

Gary, the Litremeter itself has not been mentioned for a reactor but one of the pumps has.
I think it's the ultra precise ATO.
If I'm wrong I'm sure someone will correct me with the right model.
Thanks, Vin.
I talked to Spectrapure and I'm doing it.
If it works, Litermeter seems a rather inexpensive alternative to other options.

[tkeracer619]

Thanks, Vin.
I talked to Spectrapure and I'm doing it.
If it works, Litermeter seems a rather inexpensive alternative to other options.

Give it a try but I think a few others have given it a shot and it didn't work as well. I think they had a hard time dialing in the gas because the ph constantly fluctuated in the reactor. IMO it probably could work with some patience but please report back with your experience.

The kamoer calcium reactor pump looks like a promising alternative. Going to make it over to bigbluetang's house this weekend, he got his hands on one.

[tkeracer619]

I'm loving my new-to-me Masterflex. However, if the power goes out I have to manually restart it. Is there a setting change I can make to prevent me having to do this? Unfortunately, my power went out briefly one day and I didn't notice that the pump was not running until 2 days later. Now I find myself checking on it daily.

Try this.

Automatic Start Enable/Disable (INTernal mode only) Press and hold STOP/START on power-up. After five (5) seconds, display will change to all dashes. Then, while holding STOP/START, press PRIME five (5) times. Display will flash "ON" or "OFF". Use UP/DOWN (▲, ▼) arrow keys to set automatic start option. Press any other key to exit. When "ON" is selected, pump will start automatically at power-up if it was "ON" when powered down.

[networkcrasher]

The kamoer calcium reactor pump looks like a promising alternative. Going to make it over to bigbluetang's house this weekend, he got his hands on one.

Mines still working well. I have it changed around to pull through the reactor at 50mL/m. I suppose at some point I'll measure the output and see what it's actually doing.

On a side note, what have folks done to connect the 1/4" RO tubing to the inputs and outputs of pumps like the kamoer that just have barbed surgical tubing connections? Trying to figure out how to get a air/water tight connection.

[tkeracer619]

Mines still working well. I have it changed around to pull through the reactor at 50mL/m. I suppose at some point I'll measure the output and see what it's actually doing.

On a side note, what have folks done to connect the 1/4" RO tubing to the inputs and outputs of pumps like the kamoer that just have barbed surgical tubing connections? Trying to figure out how to get a air/water tight connection.

I've found the 1/4" vinyl tube from HD works well in the push to fit connections. Probably force it over the barbs and then use the clamps I link in the first page. Will update my findings after this weekend. That is actually one reason I am going over is to find an air leak...

[networkcrasher]

I currently have some 3/8" silicone going over the 1/4" RO tubing, and then a reducing barb between the 3/8" silicone and some 1/4" silicone, which connects to the pump. It's sketchy but as far as I can tell, it's tight (used some wire ties along the way too)

[Vinny Kreyling]

Caught a sale on the Kaomer last weekend & placed an order.

[mic209]

Thanks, Vin.
I talked to Spectrapure and I'm doing it.
If it works, Litermeter seems a rather inexpensive alternative to other options.

I talked to Spectrapure on FB the other day and they hinted that they have a continuous duty pump in the works, no details though.

[africangrey]

I talked to Spectrapure on FB the other day and they hinted that they have a continuous duty pump in the works, no details though.
was told the same thing a year ago when I called, wonder when it will be actualized.

[Gary Majchrzak]

I talked to Spectrapure on FB the other day and they hinted that they have a continuous duty pump in the works, no details though.
I wish they would have mentioned that to me!
THANKS!

[Gary Majchrzak]

was told the same thing a year ago when I called, wonder when it will be actualized.
O brother.
Thanks again. I can't wait around- I'm adding a pump head to my existing Litermeter next week.

[mic209]

I wish they would have mentioned that to me!
THANKS!

Well I doubt it would be coming out any time soon.

[AquamanE]

Caught a sale on the Kaomer last weekend & placed an order.

Vinny Kreyling- I’ve had the Kaomer continuous duty pump for over 2 years and its the best think I’ve ever added to my CaRx. Where did you find one? I want a spare!!!,!

[networkcrasher]

We’re discussing the new kamoer pump, the fx-stp

[vitodog]

So I have been reading this thread for a few days now and i'm currently on page 40. I have to say that I am so thankful for this thread. I have learned so much from it. I purchased a Masterflex 7550-30 to work with my Geo 612 reactor. I know the peristaltic pump replaces the feeder pump, I just want to make sure I start this up correctly. Do I just place the input end of the pump in my sump and in this way it replaces the feeder pump? Or does it go on the effluent end of my reactor and replaces the needle valve? How is the tank water drawn into the reactor? If possible, can someone post a picture showing how I the reactor.

[vitodog]

So I have been reading this thread for a few days now and i'm currently on page 40. I have to say that I am so thankful for this thread. I have learned so much from it. I purchased a Masterflex 7550-30 to work with my Geo 612 reactor. I know the peristaltic pump replaces the feeder pump, I just want to make sure I start this up correctly. Do I just place the input end of the pump in my sump and in this way it replaces the feeder pump? Or does it go on the effluent end of my reactor and replaces the needle valve? How is the tank water drawn into the reactor? If possible, can someone post a picture showing how I the reactor.

Sorry, how I feed the reactor

[AquamanE]

We’re discussing the new kamoer pump, the fx-stp

OMG. excellent news that they have a new one. Thank you!!

[yellojello]

Sorry, how I feed the reactor



You can do either way. Push from sump and into reactor effluent in or Pull from effluent out to sump.

[vitodog]

Thanks yellowjello, if I pull out from effluent, how is reactor being fed? Its probably my old brain, but I can't see how I'm supplying my tank water through the reactor.

[networkcrasher]

just drop the input pipe into the sump. if you pull from the effluent line, it'll draw from the input pipe that's in the sump. the pump on the reactor just recirculates the co2 internally, nothing else.

[slief]

Thanks yellowjello, if I pull out from effluent, how is reactor being fed? Its probably my old brain, but I can't see how I'm supplying my tank water through the reactor.

What he means is that if you pull, the pump is connected to the effluent side of the reactor. The intake line going into the calcium reactor remains submerged in the sump so that when pump is on, it pulls the water from the sump through the reactor and then into the pump at which point the pump pushes the water from the reactor it back to the sump.

[vitodog]

Thanks guys. It was just hard for me to see the Masterflex pulling enough water from my sump to keep the reactor full. Seems easy enough.

[slief]

Thanks guys. It was just hard for me to see the Masterflex pulling enough water from my sump to keep the reactor full. Seems easy enough.

The could pull water from your sump a block away. LOL.. They are very powerful and produce a pretty decent amount of pressure. Also, keep in mind that water enters the reactor low and exits the reactor at or above the top so water won’t leave the reactor without it being completely full. Personally, I prefer pushing instead of pulling just because it eliminates potential vacuum leaks and if there is a leak under pressure, it’s easy to spot because of the water drips but either way will work just fine. I originally set mine up to pull before switching to push. My reactor is setup in my shed outside. The tubing runs in through the wall and about 10’ to the sump and pulling let alone pushing back and forth to/from the sump has never been an issue with my Masterflex.

[vitodog]

Thank you slief. How would my reactor be set up to push instead of pull?

[slief]

Thank you slief. How would my reactor be set up to push instead of pull?

You put the pump in front of the reactor so that the pump pulls from the sump and pushes into the intake of the reactor.

[vitodog]

Thank you slief, much appreciated.

[AquamanE]

Caught a sale on the Kaomer last weekend & placed an order.

Vinny Kreyling- where are they available?

[networkcrasher]

They're about $200 on aliexpress.com but not sure who sells them stateside.

[tkeracer619]

Or does it go on the effluent end of my reactor and replaces the needle valve? How is the tank water drawn into the reactor? If possible, can someone post a picture showing how I the reactor.

It replaces the needle valve. You want to remove that.

It pulls water through the reactor. These pumps can create more pressure than the Orings on your reactor can handle. If you push through the reactor (you certainly can) if the reactor clogs it will overwhelm the orings and cause a leak. It pulls water through your reactor the same way you drink through a straw, the reactor is air tight except for the input and output, so as you create a vacuum, it pulls effluent through the reactor. The can pull water very long distances and are self priming. Please pull through the reactor unless leaks will be contained in the system, it will work :)

Also, you're welcome, and glad you are reading through it! This has been a fun thread :D. Let us know if you have any other questions!

[vitodog]

Thank you tkeracer619. I do plan on pulling the water through, I'm just waiting for a few fitting/connectors until I can start her up. I'll keep the thread posted moving on.

[Vinny Kreyling]

https://www.aliexpress.com

This is where I ordered mine

[slief]

So I have been reading this thread for a few days now and i'm currently on page 40. I have to say that I am so thankful for this thread. I have learned so much from it. I purchased a Masterflex 7550-30 to work with my Geo 612 reactor. I know the peristaltic pump replaces the feeder pump, I just want to make sure I start this up correctly. Do I just place the input end of the pump in my sump and in this way it replaces the feeder pump? Or does it go on the effluent end of my reactor and replaces the needle valve? How is the tank water drawn into the reactor? If possible, can someone post a picture showing how I the reactor.

Take a look at this video series that I was involved in putting together a few years ago when I got my first Masterflex pump. This covers setting up a calcium reactor using a Masterflex pump on my system and explains everything in great detail. This link is to part 1 of a 5 part series that begins with discussing the advantages of the Masterflex method and ends with the final installation along with everything inbetween from installation to setup, testing and adjustments once it’s up and running.

<iframe width="1280" height="720" src="https://www.youtube.com/embed/Vb9N1t5DM3M" frameborder="0" allow="autoplay; encrypted-media" allowfullscreen></iframe>

[vitodog]

Thank you slief. The video is very helpful. I'm watching episode 5, right now.

[AquamanE]

https://www.aliexpress.com

This is where I ordered mine

That company has terrible customer reviews. Many calling them a scam that doesn’t deliver. Scary.

[Vinny Kreyling]

Got a notice of delivery today by DHL.
Not here yet though.

[AquamanE]

What he means is that if you pull, the pump is connected to the effluent side of the reactor. The intake line going into the calcium reactor remains submerged in the sump so that when pump is on, it pulls the water from the sump through the reactor and then into the pump at which point the pump pushes the water from the reactor it back to the sump.

I undearstand the push vs pull concept. Question- is the purpose of a second chamber in a calcium reactor not to “buffer” the effluent in a way? Is it not supposed to help increase ph of effluent? If yes then pulling defeats that chamber? Yes no maybe?

[AquamanE]

Got a notice of delivery today by DHL.
Not here yet though.

Excellent. Let us know how it goes. I love my Kamoer. But. Came with bad instructions if you want to call them that. Then replacing tubing was a mission not because of pump but because I didn’t know what size. Had to beg Cole Palmer for samples so I could figure out. The tubing is not cheap, and your forced to buy 10’ which will last 10 years lol.

All that being said it’s a great little pump. 2-3 years for me now going strong. But I want a back up just in case.

[Vinny Kreyling]

Purpose of 2nd chamber is to eliminate any CO2 that may have passed through the 1st.

Pump just arrived!

[slief]

I undearstand the push vs pull concept. Question- is the purpose of a second chamber in a calcium reactor not to “buffer” the effluent in a way? Is it not supposed to help increase ph of effluent? If yes then pulling defeats that chamber? Yes no maybe?

Pulling has no impact on the effectiveness of the 2nd reactor. Push or pull, the 2nd reactor doesn’t care since the pump is doing nothing more that moving water. The pump can go after the 2nd reactor or between the first and 2nd if pulling. It doesn’t make a difference in terms of performance. The 2nd reactor uses the excess Co2 as Vinny noted and as a result it can act as a buffer and raise the pH of the effluent a little bit. It’s also a great place to put Remag for increasing magnesium though I top my first reactor off with Remag and just use ARM fine in the 2nd reactor.

[networkcrasher]

That company has terrible customer reviews. Many calling them a scam that doesn’t deliver. Scary.

AliExpress is nothing more than an Asian eBay without the auction format. It’s all buy it now. That being said, you just need to be picky about who you buy through, just like eBay. There are some buyer protections in place too. I have never had a problem with it.

[vitodog]

I hope this is not too off topic. I have had to refill my Co2 cylinder twice in the last 2 months. The first time, when I brought the cylinder to be refilled, I also brought my Aquarium Plants Carbon Doser and asked the gas people to check for any leaks at the connection. None were found. So, the regulator was removed from the cylinder and I went home. When I got home and connected the regulator to the cylinder, I could clearly hear the Co2 escaping at the connection. I remembered that when the gas people attached the regulator to the cylinder, I thought they tightened the connection too much. So I disconnected the regulator and replaced the metal seal (with the O ring)with a new one. No more leak. Now, 2 weeks later, my cylinder is empty again??? I will check for leaks again when I refill the cylinder but my question is this, Is there another area that I should be checking for a Co2 leak besides the regulator? And, I set my pressure gauge to 10 pounds (Geo's recommendation). Does where I set the pressure determine how fast I use up the Co2? As I read through this thread, I notice that most people set their pressure gauge much lower. I just recently viewed a video by slief and noticed that his gauge was set at around 3 pounds. Any help would be greatly appreciated.

[slief]

I hope this is not too off topic. I have had to refill my Co2 cylinder twice in the last 2 months. The first time, when I brought the cylinder to be refilled, I also brought my Aquarium Plants Carbon Doser and asked the gas people to check for any leaks at the connection. None were found. So, the regulator was removed from the cylinder and I went home. When I got home and connected the regulator to the cylinder, I could clearly hear the Co2 escaping at the connection. I remembered that when the gas people attached the regulator to the cylinder, I thought they tightened the connection too much. So I disconnected the regulator and replaced the metal seal (with the O ring)with a new one. No more leak. Now, 2 weeks later, my cylinder is empty again??? I will check for leaks again when I refill the cylinder but my question is this, Is there another area that I should be checking for a Co2 leak besides the regulator? And, I set my pressure gauge to 10 pounds (Geo's recommendation). Does where I set the pressure determine how fast I use up the Co2? As I read through this thread, I notice that most people set their pressure gauge much lower. I just recently viewed a video by slief and noticed that his gauge was set at around 3 pounds. Any help would be greatly appreciated.
FWIW.. If you are talking about the nylon seal between the regulator and the Co2 tank, I've been using the Aquarium Plants Perma Seal instead of the nylon seals and it's bar far one of the best seals I have ever used! The best part is that they are reusable.
https://www.aquariumplants.com/Perma-Seal-co2-cylinder-to-regulator-seal-p/perm1.htm

[networkcrasher]

Honestly you should just set your regulator at whatever works for your tank. I keep my dKh at 9.5 (have an Alkatronic) and do 50mL/min on the pump, 3lbs of co2 set to about 9 on the carbon doser. Works for me.

[networkcrasher]

FWIW.. If you are talking about the nylon seal between the regulator and the Co2 tank, I've been using the Aquarium Plants Perma Seal instead of the nylon seals and it's bar far one of the best seals I have ever used! The best part is that they are reusable.
https://www.aquariumplants.com/Perma-Seal-co2-cylinder-to-regulator-seal-p/perm1.htm

I use the same seal and it works great. Just don’t overtighten it. It’ll snap!

[vitodog]

Thanks guys. I am using the Perma Seal. Is there some place else besides the seal area that I need to look at for a possible leak? And does where I set my pressure gauge determine how long my Co2 will last?

[networkcrasher]

where you set it has nothing to do with how long it will last. Your tanks Alk consumption determines the longevity of the CO2 tank. If your tank needs a lot of alk, then it'll need to break down more coral in the reactor, thus more co2 usage.

Have you considering doing leak testing? All you need is some water, a spray bottle, and a few drops of dish soap. I'd keep the solution away from your tank water though, just to be safe.

[vitodog]

I did a leak test on the regulator, no leaks detected.

[AquamanE]

IMHO in 2 weeks? thats a lot of CO2 used. Dont know what, but something is not right. FWIW my regulator is set at 9 psi and a small tank last at least 6 months.

[networkcrasher]

Then I'm guessing you're leaking gas downstream, either at the connection to the hose to the reactor or through the reactor itself. Just leak test as much as you can.

Have you set up your reactor feed pump to push or pull through the reactor?

[vitodog]

Then I'm guessing you're leaking gas downstream, either at the connection to the hose to the reactor or through the reactor itself. Just leak test as much as you can.

Have you set up your reactor feed pump to push or pull through the reactor?

Thanks everyone for your help. Right now my feed pump is pushing. I'm going to be setting up a Masterflex peristaltic pump (waiting for some parts) that will be pulling, at least for the start up, probably in the next few days.

[alemone]

You have a leak. Get some good leak solution to test. The homemade solution can be hit-and-miss. I had the same problem.

[vitodog]

Thanks alemone, any suggestions for a brand name for the solution?

[hkgar]

Thanks alemone, any suggestions for a brand name for the solution?

You could try searching Amazon. I came up with this (https://www.amazon.com/Camco-10324-Leak-Detector-Sprayer/dp/B000EDUTMC/ref=sr_1_2?ie=UTF8&qid=1526501774&sr=8-2&keywords=leak+detection+solution&dpID=41bCEpkaH2L&preST=_SY300_QL70_&dpSrc=srch). Oh, now you don't have to, I did it for you.

[alemone]

Thanks alemone, any suggestions for a brand name for the solution?

This is what I used. It seems to be available from third-party sellers currently. Good luck!

Link Amazon (https://www.amazon.com/gp/product/B009Y9ZT5E/ref=oh_aui_search_detailpage?ie=UTF8&psc=1)

[vitodog]

Thanks again alemone. I did another leak test, but could not find any. I also checked all the tube connections. Maybe I just did not tighten the nut enough when connecting the regulator to the Co2 after the first leak. Meanwhile I'll see if I can find the Mega Bubble locally. If not I'll just order it from Amazon. Thanks again for your help alemone.

[vitodog]

Thanks hkgar, I'll look for that one too.

[alemone]

Thanks again alemone. I did another leak test, but could not find any. I also checked all the tube connections. Maybe I just did not tighten the nut enough when connecting the regulator to the Co2 after the first leak. Meanwhile I'll see if I can find the Mega Bubble locally. If not I'll just order it from Amazon. Thanks again for your help alemone.

Yeah, see what happens with the next tank.

[Vinny Kreyling]

OK-- so I have a question -- kind of one you feel you should know the answer to--
When using a peristaltic pump do you still use the pump on the reactor?

[networkcrasher]

OK-- so I have a question -- kind of one you feel you should know the answer to--
When using a peristaltic pump do you still use the pump on the reactor?

Absolutely. The pump on the reactor recirculates the water inside the reactor, promoting the breakdown of the media, whereas the peri pump moves water from the sump, through the reactor and back to the sump.

[Vinny Kreyling]

Thanks--

[yellojello]

vitodog how big is your co2 tank? It has to be leaking either at tank to carbon doser or inside the carbon doser, or the carbon doser gauges fittings. If the carbon doser regulates properly, then it doesn’t matter if there is a leak after it on in the reactor cause it’s only letting out so little air that it shouldn’t deplete in a month, unless you are running at a really high bubble count which I doubt.

[vitodog]

Thanks yellowjello, my cylinder is 5 lbs. At the time I noticed my Co2 was empty, my BPM was at 29. I did do A leak test at the junction where the carbon doser is connected to the cylinder, where the gauges are connected and where the Co2 tube is connected. I did not detect any leaks at these points. I connected a refilled cylinder on Tuesday which is when I conducted the tests. I also have been trying to contact Aquarium Plants (Carbon Doser) to see if they could offer some advise but no one picks up the phone or responds to my e-mails. Right now, everything seems ok. Also, I can't rule out that maybe I did not tighten the nut that connects the carbon doser to the cylinder enough the last time I had to. Anyway, thank you for your help and I will continue to monitor my gauges closely.

[earwicker7]

Just received my Masterflex 7523-60 W/ Easy load 7518-10 head. I have a few questions before I start setting it up.

Do I have to use Masterflex tubing? I know it says it voids the warranty if you don't, but this is used, with no warranty. I'm looking around for prices online, and they're all REALLY long lengths for a LOT of money.

Second, would anyone happen to know what size screws you use to attach the head to the main unit? The person I bought it from didn't include any. I can always take it down to the hardware store and figure it out on my own if necessary, but it's much easier just being able to do a quick order on Amazon Prime.

[slief]

Just received my Masterflex 7523-60 W/ Easy load 7518-10 head. I have a few questions before I start setting it up.

Do I have to use Masterflex tubing? I know it says it voids the warranty if you don't, but this is used, with no warranty. I'm looking around for prices online, and they're all REALLY long lengths for a LOT of money.

Second, would anyone happen to know what size screws you use to attach the head to the main unit? The person I bought it from didn't include any. I can always take it down to the hardware store and figure it out on my own if necessary, but it's much easier just being able to do a quick order on Amazon Prime.

You don’t need to use the Cole Parmer tubing. There is a link on the post 3 of the first page of this thread for the Pharmed type LS17 equivalent tubing from US Plastics that is sold by the foot. It also includes the parts needed to connect the tubing to 1/4” John Guest style push lock RODI tubing which is very convenient.

Here is the LS17 Pharmed type tubing sold by the foot.
http://www.usplastic.com/catalog/item.aspx?itemid=25534


I am pretty certain the screw is 8-32 x 2-1/4” and you will want a stainless socket head type. It would be pretty easy to take the pump and head down to a hardware store like Ace or True Value Hardware and match up a set of stainless screws rather than ordering them online. It would also likely be cheaper since you don’t need to worry about shipping.

[earwicker7]

You don’t need to use the Cole Parmer tubing. There is a link on the first page of this thread for the Pharmed type LS17 equivalent tubing from US Plastics that is sold by the foot.

I am pretty certain the screw is 8-32 x 2-1/4” and you will want a stainless socket head type.

D'oh! I read that part of the thread a month or two back and forgot about it.

Thanks!

[zip70]

Awesome, thanks I will try that!

Were you able to change flow rate to 45, 55...? I can not do it. how do I change RPM?

[hkgar]

You don’t need to use the Cole Parmer tubing. There is a link on the post 3 of the first page of this thread for the Pharmed type LS17 equivalent tubing from US Plastics that is sold by the foot. It also includes the parts needed to connect the tubing to 1/4” John Guest style push lock RODI tubing which is very convenient.

Here is the LS17 Pharmed type tubing sold by the foot.
http://www.usplastic.com/catalog/item.aspx?itemid=25534


I am pretty certain the screw is 8-32 x 2-1/4” and you will want a stainless socket head type. It would be pretty easy to take the pump and head down to a hardware store like Ace or True Value Hardware and match up a set of stainless screws rather than ordering them online. It would also likely be cheaper since you don’t need to worry about shipping.

[Chicago]

is a cole parmer 7523-20 brushless ? cant seem to find out

thanks

[Chicago]

better question.. pro and con for brushless. or brushed. thanks

[Bpb]

How challenging is it for someone with very little diy experience to replace brushes. The instructions seem pretty simple. My masterflex has been running for about 18 months continuously and it is an older model that shows significant wear and tear. It’s got a ridiculously loud 60 hz hum that is constant. I wonder if fresh brushes would quiet that down some


Sent from my iPhone using Tapatalk Pro

[slief]

How challenging is it for someone with very little diy experience to replace brushes. The instructions seem pretty simple. My masterflex has been running for about 18 months continuously and it is an older model that shows significant wear and tear. It’s got a ridiculously loud 60 hz hum that is constant. I wonder if fresh brushes would quiet that down some


Sent from my iPhone using Tapatalk Pro

Simple. Unplug the unit. Remove the cover. Remove the plastic cap that holds the brush in place on each side of the motor. Pull the old brushes, install the new ones. The screw the cap back in. Put the cover back on and your done. The whole process shouldn’t take more than 5 minutes. I don’t think the brushes will reduce the hum though it wouldn’t hurt to swap them anyways or at least inspect them to see how much carbon/graphite is left.

[Chicago]

pros and cons of brushless V brushed ? Please .. thank you ..
if brushed. are part easy to get from cole parmer .. for lets say the 7230-20?

[Chicago]

pros and cons of brushless V brushed ? Please .. thank you ..
if brushed. are part easy to get from cole parmer .. for lets say the 7230-20?

[hkgar]

pros and cons of brushless V brushed ? Please .. thank you ..
if brushed. are part easy to get from cole parmer .. for lets say the 7230-20?

Noise level.

[Chicago]

so how loud are we talking.. low hmm or ? anyone have a post of a video operating a brushed Cole palmer pump.. thanks

[vitodog]

Chicago, take a few minutes and read the first page or two of this thread. The answers to most, if not all of your questions are right there. I was referred there myself by another member and I am so glad I did.

[fixmgood]

Thanks alemone, any suggestions for a brand name for the solution?

Go to any refrigeration supply store and get a bottle of "Big Blue" it is used specifically to find gas leaks. They probably have other brands as well.

[Chicago]

Will do.. i read it like four times.. fifth time is a charm..no problem.. i have a cheat sheet now on which ones are which.. brush v brushless. 100 rpm vs 600 rpm ect..

[NeverlosT]

Were you able to change flow rate to 45, 55...? I can not do it. how do I change RPM?

Zip, I was able to change RPM 1 revolution per minute at a time, which is enough for me. Though a buddy just got a unit similar to mine and he can edit RPM by 10ths of a revolution.

Most of these units have manuals online as well.

[slief]

Zip, I was able to change RPM 1 revolution per minute at a time, which is enough for me. Though a buddy just got a unit similar to mine and he can edit RPM by 10ths of a revolution.

Most of these units have manuals online as well.

The newer brushless models allow you to adjust in 1/10th RPM increments.

[zip70]

The newer brushless models allow you to adjust in 1/10th RPM increments.

Mine is 7523-60. I can only adjust from 50ml/min to 60 to 70....How do I make it to 55ml/min. , 56 ,58....?
I read a manual 3 or 4 times but I could not find how to do it.
I need help. Thank you

[slief]

Mine is 7523-60. I can only adjust from 50ml/min to 60 to 70....How do I make it to 55ml/min. , 56 ,58....?
I read a manual 3 or 4 times but I could not find how to do it.
I need help. Thank you
Edit.
That is a 10-600 RPM pump that can only be controlled in .1 RPM increments up to 100 RPM according to the manual. LS 17 tubing on an Easy Load Head flows at 2.8ml/min per RPM so multiply that by your each RPM and that’s what you will get. The minimum flow for that pump with LS17 tubing would be 28ml/min (10 RPM Minimum). If you can only adjust from 50ml and up, it would sound like you are either using the wrong tubing or have the wrong tubing selected on the front panel because as noted above, 28ml/min should be the minimum flow rate with LS17 tubing which is what we typically recommend. You may also need to calibrate the pump. See section on calibration in the manual. See page 6 of the manual below.
https://pim-resources.coleparmer.com/instruction-manual/07523-60-70rev5.pdf

For reference, here are the flow rates per tubing diameter for an Easy Load 7518-00 and 7519-10 which are the common Easy Load heads that support LS17 tubing as well as other tubing sizes.

Tubing sizes acceptedL/S® 13, L/S 14, L/S 16, L/S 25, L/S 17, L/S 18

Volume Per Revolution With L/S 13 Tubing (mL)0.06
Volume Per Revolution With L/S 14 Tubing (mL)0.21
Volume Per Revolution With L/S 16 Tubing (mL)0.8
Volume Per Revolution With L/S 25 Tubing (mL)1.7
Volume Per Revolution With L/S 17 Tubing (mL)2.8
Volume Per Revolution With L/S 18 Tubing (mL)3.8

Link to head specs.
https://www.coleparmer.com/i/masterflex-l-s-easy-load-pump-head-for-precision-tubing-psf-housing-ss-rotor/0751810

[zip70]

Thank you Slief...You are the man. Ok so if I want 55ml/min. I need to take 55/ 2.8 = 19.6 RPM. I need to set my RPM at 19 or 20 to get to 55? On the pump I need to choose RPM not SIZE anymore due to RPM override it?

[slief]

Thank you Slief...You are the man. Ok so if I want 55ml/min. I need to take 55/ 2.8 = 19.6 RPM. I need to set my RPM at 19 or 20 to get to 55? On the pump I need to choose RPM not SIZE anymore due to RPM override it?

Yes but I revised my reply above after reading up on that pump. You should be able to select the ml/min but I suspect you need to calibrate the pump. Mine is a newer one (7523-80) that doesn’t require calibration. I think you can do exactly what you want if you select the correct tubing size on the pumps front panel and calibrate. Also keep in mind that I am assuming you are running LS17 tubing and not some other sized tubing.

[zip70]

Edit.
That is a 10-600 RPM pump that can only be controlled in .1 RPM increments up to 100 RPM according to the manual. LS 17 tubing on an Easy Load Head flows at 2.8ml/min per RPM so multiply that by your each RPM and that’s what you will get. The minimum flow for that pump with LS17 tubing would be 28ml/min (10 RPM Minimum). If you can only adjust from 50ml and up, it would sound like you are either using the wrong tubing or have the wrong tubing selected on the front panel because as noted above, 28ml/min should be the minimum flow rate with LS17 tubing which is what we typically recommend. You may also need to calibrate the pump. See section on calibration in the manual. See page 6 of the manual below.
https://pim-resources.coleparmer.com/instruction-manual/07523-60-70rev5.pdf

For reference, here are the flow rates per tubing diameter for an Easy Load 7518-00 and 7519-10 which are the common Easy Load heads that support LS17 tubing as well as other tubing sizes.

Tubing sizes acceptedL/S® 13, L/S 14, L/S 16, L/S 25, L/S 17, L/S 18

Volume Per Revolution With L/S 13 Tubing (mL)0.06
Volume Per Revolution With L/S 14 Tubing (mL)0.21
Volume Per Revolution With L/S 16 Tubing (mL)0.8
Volume Per Revolution With L/S 25 Tubing (mL)1.7
Volume Per Revolution With L/S 17 Tubing (mL)2.8
Volume Per Revolution With L/S 18 Tubing (mL)3.8

Link to head specs.
https://www.coleparmer.com/i/masterflex-l-s-easy-load-pump-head-for-precision-tubing-psf-housing-ss-rotor/0751810

The 50mil/min was an example. I just pick a random number. Actually L/S 17 the minimum you can adjust is 30ml/min.

[vitodog]

OK, so I finally have all the components to start up my Masterflex 7550-30. I just want to be sure I set it up right. I have a GEO 612 reactor and I know my pump replaces the feeder pump I have been using. I think it should be set up like this, The intake tube from the pump goes into my sump, the output end of the pump goes into the input of the reactor and back into my sump. Is this correct? Please let know.

[Bpb]

OK, so I finally have all the components to start up my Masterflex 7550-30. I just want to be sure I set it up right. I have a GEO 612 reactor and I know my pump replaces the feeder pump I have been using. I think it should be set up like this, The intake tube from the pump goes into my sump, the output end of the pump goes into the input of the reactor and back into my sump. Is this correct? Please let know.



What you’re describing is a conventional setup using a propeller pump and needle valve. What you need to do is the opposite.

Masterflex IN tube is connected to the geo effluent OUT (on top)
Masterflex OUT goes to sump
Geo effluent IN goes directly to sump

This way the pump PULLS the effluent through the reactor, and the reactor in drinks up the water from the sump like a straw



Sent from my iPhone using Tapatalk Pro

[vitodog]

Thanks Bpb, boy, did I have it all wrong or what?

[slief]

Thanks Bpb, boy, did I have it all wrong or what?

No. You had it correct if you want to push through the reactor. Some push, some pull. His instructions are for pulling through the reactor.

[vitodog]

OK, thanks guys. Right now I am pulling. Everything seems to be running nicely. If in the future, I want to push through the CaRX at least I already know both methods. Thank you slief and Bpb for your help.

[zip70]

OK, thanks guys. Right now I am pulling. Everything seems to be running nicely. If in the future, I want to push through the CaRX at least I already know both methods. Thank you slief and Bpb for your help.

what is your flow rate? how many ml/min? thanks

[tom obrecht]

Slief pm sent.

[vitodog]

zip70, right now its 40 ml/min. PH in the reactor is holding at 6.2. I think I'm going to raise the flow a little to increase the PH in the reactor some what. I'll test Alk in the effluent and tank tomorrow.

[zip70]

zip70, right now its 40 ml/min. PH in the reactor is holding at 6.2. I think I'm going to raise the flow a little to increase the PH in the reactor some what. I'll test Alk in the effluent and tank tomorrow.

6.2 will melt your media quickly I thought. can you increase your flow rate like 42, 45 , 46...or it only go to 50 ,60?

[slief]

zip70, right now its 40 ml/min. PH in the reactor is holding at 6.2. I think I'm going to raise the flow a little to increase the PH in the reactor some what. I'll test Alk in the effluent and tank tomorrow.



6.2 will melt your media quickly I thought. can you increase your flow rate like 42, 45 , 46...or it only go to 50 ,60?


+1

6.2 pH is too low and will turn the media to mush in a hurry. I’d recommend around 6.5 at the least and increase your effluent rate to compensate.

[vitodog]

Thanks guys. I raised the drip rate from 40 to 50 ml/min but that only raised the PH to 6.3. So, I raised the drip to 60 ml/min and will monitor. My BPM is 25.

[hkgar]

Thanks guys. I raised the drip rate from 40 to 50 ml/min but that only raised the PH to 6.3. So, I raised the drip to 60 ml/min and will monitor. My BPM is 25.

Change the ph of the effluent by changing either the bubble PSI or the bubbles per minute. Only change the effluent flow if the current flow cannot keep up with tank demands at less than 6.45, or possibly 6.3. The consensus seems to be that media becomes mush at 6.3, so 6.45 is nicely conservative.

I am currently at 100ml/min and 6.43 effluent ph and effuent dKH of 20.

[vitodog]

Thanks Garry. I raised the effluent flow from 50 ml/min, to 70 ml/min but this only raised the PH from 6.3 to 6.4. I'm a little stumped at this point because before using the Masterflex, I was able to reach an effluent PH of 6.7, with a flow rate of 45-50 ml/min. My BPM is 20 and PSI is 9. My effluent Alk is also 20 dkh. The Alk in my tank is 10.5. I would like to lower the tank Alk to around 8.3.

[vitodog]

I apologize if i'm monopolizing this thread. As i'm trying to tune in my Geo 612 reactor and since adding the Masterflex, a couple of things have occurred. 1st, I can't seem to get the effluent PH above 6.4. 2nd, Circulation pump is making a lot of noise although I just took it off line and examined it and it was clean. 3, Is it normal for a lot of bubbles to float up through the reactor? I should mention that I have changed the method from pulling the tank water through the reactor to pushing the tank water though the reactor. Any suggestions or advise?

[slief]

:celeb3:I apologize if i'm monopolizing this thread. As i'm trying to tune in my Geo 612 reactor and since adding the Masterflex, a couple of things have occurred. 1st, I can't seem to get the effluent PH above 6.4. 2nd, Circulation pump is making a lot of noise although I just took it off line and examined it and it was clean. 3, Is it normal for a lot of bubbles to float up through the reactor? I should mention that I have changed the method from pulling the tank water through the reactor to pushing the tank water though the reactor. Any suggestions or advise?

Your Co2 rate is too high for your flow. Drop the Co2 pressure down. That should allow you better control over your pH and will likely also solve the other issues. I run at 3 PSI on the Co2 output. That is likely the cause of your low pH and excess gas in the reactor. The noise you are hearing from the circulation pump is likely the excess gas/bubbles going through the pump.

[vitodog]

Thanks slief. You were right about lowering the Co2 pressure. As soon as I lowered the pressure, the pH increased from 6.4 to 6.5. I lowered the pressure from 9 psi to 4 psi. slief, am I correct in assuming that by lowering the pressure, the excess gas bubbles will eventually begin to disappear from the reactor and circulation pump?

[slief]

Thanks slief. You were right about lowering the Co2 pressure. As soon as I lowered the pressure, the pH increased from 6.4 to 6.5. I lowered the pressure from 9 psi to 4 psi. slief, am I correct in assuming that by lowering the pressure, the excess gas bubbles will eventually begin to disappear from the reactor and circulation pump?

Yes, per my previous reply, reducing the Co2 should sove your other issues and by lowering the pressure, you are reducing the amount of Co2 going in since the reduction in pressure results in a reduction in the Co2 bubble size. In a nutshelf, you’re pumping in too much Co2 for the amount of water flow going through the reactor. Reduce the Co2 rate and you will increase the pH and reduce the excess gas in the reactor. So in short, it should solve your other issues as well. You can purge the excess gas out by shutting off the circulation pump, moving the reactor back and forth to get the gas out of the media and up to the top of the reactor. Then run the Masterflex pump at or near full speed long enough to suck the gas out. You might need to tilt the reactor a tad to help get the bubbles to the output on the lid.

[vitodog]

Thank you slief. Your devotion to this thread and detailed explanations are very much appreciated. Thanks again.

[slief]

Thank you slief. Your devotion to this thread and detailed explanations are very much appreciated. Thanks again.

Glad to help.

[hkgar]

I would shut the unit down until your tank dKH is at the level you want and then restart. Your bubble rate is pretty high.

[vitodog]

Thanks again hkgar, good advise. I was going to tinker with BPM and drip rate to try and bring the tank Alk down. But duh, of course, your suggestion is the quickest and easiest way to go. Will do.

[cliffhanger]

Hello
How can I get the hoses L / S 25 or L / S 17 in amazon or ebay, small quantities
and the accessories of the tubes

[slief]

Hello
How can I get the hoses L / S 25 or L / S 17 in amazon or ebay, small quantities
and the accessories of the tubes

This is likely going to be your best bet for LS17 type tubing in any qty. You can also get the fittings to convert that tubing to 1/4” RODI tubing there too. See post 3 of this thread for the parts needed.
http://www.usplastic.com/catalog/item.aspx?itemid=25534

[cliffhanger]

Hello
I got other head L/S 15 and L/S 24 which one hoses from usplastics works?
Thank you

[Ssteve]

So I am currently using about 8 foot of ls17 tubing to run to my sump from my masterflex. I am wondering what adapters and hard tubing you guys are using to get your effluent to your sump etc? My tubing is about worn out in the masteflex head so I want to redo my setup with cheaper tubing instead of buying another 8 foot piece of pharmed tubing.

[biecacka]

My effluent constantly gets clogged after a few weeks. I'm thinking of trying one of these out.
Cole Parmer MasterFlex 7524-00 Digital Microprocessor Pump Drive w/ 7518-12 Head Is this a usable pump?


Corey

[slief]

My effluent constantly gets clogged after a few weeks. I'm thinking of trying one of these out.
Cole Parmer MasterFlex 7524-00 Digital Microprocessor Pump Drive w/ 7518-12 Head Is this a usable pump?


Corey

Edit. That is an older model but should work OK.

[cliffhanger]

Hello
I got other head L/S 15 and L/S 24 which one hoses from usplastics works?
Thank you

Any help plz

[slief]

Any help plz

I don't think they have the comparable tubing but I could be mistaken. Maybe somebody else will chime in. It's also dependent on what model head you have as to whether or not it would support the Pharmed type tubing vs silicone.

[hkgar]

So I am currently using about 8 foot of ls17 tubing to run to my sump from my masterflex. I am wondering what adapters and hard tubing you guys are using to get your effluent to your sump etc? My tubing is about worn out in the masteflex head so I want to redo my setup with cheaper tubing instead of buying another 8 foot piece of pharmed tubing.

I bought 10 feet of LS17 tubing and use it in 6-7 inch lengths. Set your system up using the items in post 3.

[slief]

So I am currently using about 8 foot of ls17 tubing to run to my sump from my masterflex. I am wondering what adapters and hard tubing you guys are using to get your effluent to your sump etc? My tubing is about worn out in the masteflex head so I want to redo my setup with cheaper tubing instead of buying another 8 foot piece of pharmed tubing.

Like hkgar above, I too bought about 10’ of the LS17 type tubing and use it in 10” lengths. I have mine adapted to 1/4” RODI tubing using the parts listed in the 3rd post on page 1 of this thread. I switch out my LS17 tubing every 6 or so months.

[biecacka]

https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.com%2Fulk%2Fitm%2F253686182090

Was looking at this one.

Corey

[slief]

https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.com%2Fulk%2Fitm%2F253686182090

Was looking at this one.

Corey

There are others using that same model in this thread. hkgar had one that he was selling at one point. I should work OK. It’s not brushless as far as I am aware so it will likely be somewhat noisy. Also not sure how the flow control works on that model whether it’s based on RPM or whether you can set the flow via ml/min. Finding a manual for it might be tough too.

[hkgar]

There are others using that same model in this thread. hkgar had one that he was selling at one point. I should work OK. It’s not brushless as far as I am aware so it will likely be somewhat noisy. Also not sure how the flow control works on that model whether it’s based on RPM or whether you can set the flow via ml/min. Finding a manual for it might be tough too.

And I still do have one from sale but I don;t have a head.

[hkgar]

https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.com%2Fulk%2Fitm%2F253686182090

Was looking at this one.

Corey

I would verify, at the Coleparmer.com site that that pump will use LS17 tubing. I don't know.

[slief]

I would verify, at the Coleparmer.com site that that pump will use LS17 tubing. I don't know.

You have a good point. That head does not support LS17 tubing. The 7518-00 and 7518-10 does but not the 7518-12.

[hkgar]

https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.com%2Fulk%2Fitm%2F253686182090

Was looking at this one.

Corey

My pump could sell for about $150 and there are heads that work for less than 100 on ebay

[cliffhanger]

here is the head

https://imgur.com/LvXtfuo
which one hose works in this head?
thank you

[slief]

here is the head

https://imgur.com/LvXtfuo
which one hose works in this head?
thank you

Your image didn’t post but I followed the link. It’s a 7518-12 head. It says right on the head that it uses LS15 and LS24 tubing. I think you’re stuck with Cole Parmer tubing. Here is some LS24 tubing on eBay that is cheap.
https://www.ebay.com/itm/COLE-PARMER-MASTERFLEX-PharMED-BPT-TUBING-25FT-06508-24-LS-24/202316352280?hash=item2f1afe8b18:g:CjEAAOSwXkNaV~Qn

[cliffhanger]

here is the head

https://i.imgur.com/LvXtfuo.jpg


which one hose works in this head?
thank you

[slief]

here is the head

https://i.imgur.com/LvXtfuo.jpg


which one hose works in this head?
thank you

See my comment above. It says right on the head, LS15 and LS24 tubing.
You can also look that head model up on the cole parmer website where it also says, LS15 and LS24 tubing. I am not aware of aftermarket LS15 or LS24 tubing as I mentioned in a previous post. That is not the ideal head for calcium reactors. Heads that support LS17 tubing such as the 7518-00 or 7518-10 are best suited due to tubing being readily available at reasonable prices.

Anyhow, here is the head on the Cole Parmer website.
https://www.coleparmer.com/i/masterflex-l-s-easy-load-head-for-high-performance-tubing-psf-ss/0751812?searchterm=7518-12

Here is another good deal on LS24 tubing.
https://www.ebay.com/itm/Pump-Tubing-Food-Grade-size-24-MasterFlex-L-S-24/163094448357?_trkparms=aid%3D222007%26algo%3DSIM.MBE%26ao%3D2%26asc%3D44040%26meid%3D1bb47a611df44fd 8b56fb0a52965050b%26pid%3D100005%26rk%3D3%26rkt%3D7%26sd%3D202316352280%26itm%3D163094448357&_trksid=p2047675.c100005.m1851