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Old 12/28/2009, 12:50 PM   #26
GreshamH
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One week of the above recipe or your old recipe?


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Old 12/28/2009, 04:34 PM   #27
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The old recipe... starting to dose new recipe today. I'll let you all know how it goes!


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Old 12/29/2009, 01:26 AM   #28
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After dosing some of the new food mix, I noticed some of my gorgs were capturing the bubbles in the water and ingesting them. They suck in each tentacle one at a time like a sea apple. I am wondering if the bubble is coated with the food, especially the Ultra Min D or Ultra Pac. Now sometimes they catch stuff in the water they don't want, and they just release it. They don't ingest it. Why do they ingest the bubbles, if they are even bubbles? Look close in some of the polyps and you will see. You will also see some "licking" each tentacle.




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Old 12/30/2009, 04:05 AM   #29
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HI

You can try to add some ascorbin acid in your mix
then the reaction of the food in the reactor will go slower

1 week is ok if you see on the temperature of the mix

rgds claude


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Old 12/30/2009, 04:12 AM   #30
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HI

The bubbles are small food particles with the right
"surface" so they will eat it.
That what you see is that the polyps get a full ammount of concentrated food
good for your coral

rgds claude


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Old 12/30/2009, 09:49 AM   #31
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Quote:
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If you just want to dose Shellfish Diet or Roti-Feast I think the syringe pump works best.
Why?


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Old 12/30/2009, 09:59 AM   #32
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Roti-Feast and Shellfish Diet are pretty thick solutions, Shelfish Diet in particular. The options for continuous dosing are syringe pump, a drip bucket of some sort, or a peristaltic dosing pump. A drip bucket would give you very little control of the dosing rate. The problem with a peristaltic dosing pump is that the tubing will start to clog with these rather thick solutions. With a peristaltic dosing pump, you would have to frequently run water through the tubing to keep it from gunking up. A syringe pump is a very simple device, doesn't have the potential for clogging that a peristaltic pump has, and can pump very thick and highly viscous solutions with relative ease at a precise dosing rate.


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Old 12/30/2009, 10:07 AM   #33
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Btw, I posted about syringe pumps awhile ago in case anyone wanted to know more about them.

http://www.reefcentral.com/forums/sh....php?t=1364391

This is in an old tank that is no longer running, but I still use the same basic setup on my current tank.


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Old 12/30/2009, 11:56 AM   #34
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Quote:
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Roti-Feast and Shellfish Diet are pretty thick solutions, Shelfish Diet in particular. The options for continuous dosing are syringe pump, a drip bucket of some sort, or a peristaltic dosing pump. A drip bucket would give you very little control of the dosing rate. The problem with a peristaltic dosing pump is that the tubing will start to clog with these rather thick solutions. With a peristaltic dosing pump, you would have to frequently run water through the tubing to keep it from gunking up. A syringe pump is a very simple device, doesn't have the potential for clogging that a peristaltic pump has, and can pump very thick and highly viscous solutions with relative ease at a precise dosing rate.
Is this your experience or what you've been told?

The only clogging I have experienced is the tip of the output tubing. We run our IA 9SD and others) product through a peri. pump and it never really clogs. RF will clog at the tip where if it comes in contact with air. Easy solution to that is to submerge it


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Old 12/30/2009, 12:04 PM   #35
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This is actually my experience. Perhaps, you're using a better peristaltic pump than I did though. It was definitely more of an issue with Shellfish diet.

So you don't need to clean the peristaltic tubing frequently?

In any case, I've found syringe pumps to be easier to deal with and control in terms of precise dosing amounts, especially when dealing with smaller dosing amounts. If you're dosing a good amount of RF or SD, then perhaps a good peristaltic pump would be better.


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Old 01/05/2010, 07:22 PM   #36
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The Reef Nutrition products (most of them) have alginate in them which keeps them in suspension and acts as a minor carbon source (very minor as there is not much alginate in the media)
What is the concentration of alginate in say Rotifeast?


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Old 01/06/2010, 06:57 PM   #37
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I have a Phosban reactor lieing around and was wondering could I use it instead of a kalf reactor ?


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Old 01/07/2010, 09:59 AM   #38
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Please tell, me your water parameters.


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Old 01/07/2010, 01:22 PM   #39
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I have a Phosban reactor lieing around and was wondering could I use it instead of a kalf reactor ?
A phos reactor only has one pump that keeps it mixed and acts as the flow through. A kalk reactor has either two pumps, or one pump and a mixer. Both are independent of each other so you can keep mixing while not feeding.


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Old 01/07/2010, 01:26 PM   #40
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This is actually my experience. Perhaps, you're using a better peristaltic pump than I did though. It was definitely more of an issue with Shellfish diet.

So you don't need to clean the peristaltic tubing frequently?

In any case, I've found syringe pumps to be easier to deal with and control in terms of precise dosing amounts, especially when dealing with smaller dosing amounts. If you're dosing a good amount of RF or SD, then perhaps a good peristaltic pump would be better.
The tubing dia. is crucial in this respect. I suspect your using a large dia, like maybe 1/8? or 1/4"? We use really fine stuff.

We rarely need to clean them but then again I bet we feed a LOT more then you do. We're growing massive amounts of rotifers.

I need to double check my memory with one of our scientists on the alginate question. I seem to remember the amount of it in a 6oz bottle is less then could fit on a pinhead. It doesn't take much to achieve what we need.


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Old 01/07/2010, 05:43 PM   #41
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I was wrong about the amount. that's why we have scientists here.. and I'm not one of them I can't post the amount though, it's a trade secret, sorry


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Old 01/07/2010, 06:24 PM   #42
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I was afraid of that. Can't blame me for trying.


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Old 01/07/2010, 07:28 PM   #43
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Why do you want to know at any rate? Just curious or do you think it will effect something (negative or positive)?


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Old 01/07/2010, 07:39 PM   #44
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Nah, I'm trying to replicate the effects for keeping other foods from settling. I'll just have to go with trial and error.


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Old 01/09/2010, 05:23 PM   #45
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Ok, different question for Gresham. I know we shouldn't mix Reef Nutrition products together or dilute them as that will affect their shelf-life. However, is there a problem with mixing dry food into Rotifeast? Would that have some kind of negative effect?


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Old 01/09/2010, 05:51 PM   #46
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I've been thinking of doing the same with the alginate ninja. Please share what you come up with (if it works out).


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Old 01/09/2010, 06:47 PM   #47
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I tried it with the Fauna Marin food. I tried it both in saltwater and RO water. The amount of alginate needed to keep the food suspended seems like more than I would want to add. I have another idea for using something else. I'll update if it works.

The Fauna Marin food will stay suspended in Rotifeast, so they must do something special...


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Old 01/09/2010, 07:30 PM   #48
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Ok, different question for Gresham. I know we shouldn't mix Reef Nutrition products together or dilute them as that will affect their shelf-life. However, is there a problem with mixing dry food into Rotifeast? Would that have some kind of negative effect?
Sure would. The mix is designed for a certain "bio-load" and by increasing it you defeat the longevity of the mix.


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Old 01/09/2010, 07:32 PM   #49
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The Fauna Marin food will stay suspended in Rotifeast, so they must do something special...
Ingredients are just one aspect of a given recipe.


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Old 01/11/2010, 03:51 PM   #50
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My continuous feeding filter gets awfully smelly by the end of a week, and needs a scrub down. I am wondering if a bottle with a air line for suspension and peristaltic pump for dosing would not be less maintenance and stench? Any thoughts, tips? My guess is this is one of the reasons you switched to syringe dosing pumps.


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