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01/01/2018, 02:29 PM | #2626 |
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What is the PSI, bubble count and effluent pH of your reactor? The flow rate may be just fine.
Tank Alk and is it raising or falling?
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Gary 180 gallon, 40 gallon sump, 3 250 W MH + 4 80W ATI T5's, MTC MVX 36 Skimmer, Apex controller Aquamaxx T-3 CaRx Current Tank Info: A 2 Barred Rabbitfish, Red Head Salon, Yellow/Purple, McMaster Fairy, Possum, 2 Leopard Wrasses, Kole, & Atlantic Blue Tangs, 2 Percula Clown, 3 PJ and 1 Banggai Cardinalfish , Swallowtail, Bellus and Coral Beauty Angels |
01/02/2018, 10:40 PM | #2627 |
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Hello all. Been lurking for a long time - thanks for all the contributions along the way to this thread. I'm getting going on my CaRX after a year or so gathering dust beneath my work space.
Reactor: MTC Procal Masterflex: 7550-30 | 40mL/min CO2: aquariumplants.com bubble counter | 12psi at 4 seconds/bubble pH monitored by APEX in line via the feed to the effluent chamber I wanted to monitor how the pH varies in the reactor prior to starting to make sure my setup is in order. I've set the bubble counter to cycle at a pH of 7.3. With that setting, pH swings from 7.31 down to 7.13. This pH swing seems rather large. Should I be making adjustments to tighten this range? I'm considering starting at 6.9 but I do have zeomag loaded also. Just want to make sure I don't make mush before I get things going in earnest. Thx in advance for the assist!! |
01/02/2018, 10:52 PM | #2628 |
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Hey neighbor, same CaRx running reborn at 6.6 - no mush. I adjust the bubble rate to maintain 6.6 without triggering the solenoid. More stable that way.
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01/02/2018, 11:54 PM | #2629 | |
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01/02/2018, 11:59 PM | #2630 | |
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I raised the reactor ph to 6.7 and my tank is sitting at 8.3 just where I want it. Sent from my SM-N950U using Tapatalk |
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01/03/2018, 02:30 PM | #2631 | |
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The Apex should only be reporting the steady pH not controlling it. Adjust the bubble rate or PSI to get to a stable number
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Gary 180 gallon, 40 gallon sump, 3 250 W MH + 4 80W ATI T5's, MTC MVX 36 Skimmer, Apex controller Aquamaxx T-3 CaRx Current Tank Info: A 2 Barred Rabbitfish, Red Head Salon, Yellow/Purple, McMaster Fairy, Possum, 2 Leopard Wrasses, Kole, & Atlantic Blue Tangs, 2 Percula Clown, 3 PJ and 1 Banggai Cardinalfish , Swallowtail, Bellus and Coral Beauty Angels |
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01/05/2018, 12:37 PM | #2632 |
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Expecting too much or is this normal? Trying to figure out why my ph is going up even though it's not even hitting 6.5 ph. I thought it was the ph prob so I replaced it 2 days ago. Only thing I can think of is my cheap needle on my reg that's causing it to fluctuate. This morning's report. Running geo 818, m/f 7551-00 with head 77201-60 size 17 tube.
Apex setting off < 6.4 - 6.9 > on Any help would be appreciated. Sent from my SM-G930P using Tapatalk
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185 DSA, 40br Sump w/some stuff in it ATI 8x80 w/bulbs |
01/05/2018, 01:30 PM | #2633 |
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Official: Masterflex Calcium Reactor Setup Thread
Depends on the amount of co2 you are releasing into reactor it's fluctuating but looks normal to me. Think your solenoid isn't going on and off and is constant on position. Looks dialed in correctly.
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01/05/2018, 01:42 PM | #2634 | |
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But if your alkalinity is staying stable I'm not sure it really matters how perfect your regulator is at dosing co2, as long as it is good enough, and your weekly pH graph looks pretty darn stable to me. But for comparison this is my masterflex + carbondoser electronic regulator: The jump in the middle is when I adjusted the setting, but otherwise if I leave everything alone the pH in the reactor is normally rock solid, only going up and down a minor bit with the natural rise/fall of the tank's pH throughout the day. |
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01/05/2018, 01:45 PM | #2635 |
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Here is mine after a slight adjustment sure to alk intake
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01/05/2018, 02:51 PM | #2636 | |
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01/05/2018, 05:50 PM | #2637 |
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Those charts look better then mine. Lol. I would like to dial it down since my alk is dropping at a steady pace. I have a dual stage reg and if I need to get the carbon dose box as a add on I will. From the Jan 1,2,3 day readings has been 8.3, 7.7, 6.8. I have been manually add soda ash to keep it up. The last time I added sode ash was on the 3rd but forgot to test yesterday. Todays reading on alk is 7.3. I'll have to monitor the drop.
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185 DSA, 40br Sump w/some stuff in it ATI 8x80 w/bulbs |
01/05/2018, 05:53 PM | #2638 | |
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185 DSA, 40br Sump w/some stuff in it ATI 8x80 w/bulbs |
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01/05/2018, 05:54 PM | #2639 |
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Official: Masterflex Calcium Reactor Setup Thread
Fluctuation of a few 1/100 seems pretty good to me. Since you are “zoomed” in on your numbers, looks like a lot of fluctuation, but zoom out a little and it probably looks like a straight line.
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01/05/2018, 06:46 PM | #2640 | |
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If your flow rate is consistent (which it should be with a masterflex) then your Co2 rate is fluctuating (low Co2 pressure in the tank could cause that) or the rise and fall coincides with temp or something else. Could even be something electrical in the tank that is turning on and off. Probe wires should never be run parallel to power wires for example.
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01/06/2018, 10:20 AM | #2641 | |
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Gary 180 gallon, 40 gallon sump, 3 250 W MH + 4 80W ATI T5's, MTC MVX 36 Skimmer, Apex controller Aquamaxx T-3 CaRx Current Tank Info: A 2 Barred Rabbitfish, Red Head Salon, Yellow/Purple, McMaster Fairy, Possum, 2 Leopard Wrasses, Kole, & Atlantic Blue Tangs, 2 Percula Clown, 3 PJ and 1 Banggai Cardinalfish , Swallowtail, Bellus and Coral Beauty Angels |
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01/06/2018, 10:27 AM | #2642 | |
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185 DSA, 40br Sump w/some stuff in it ATI 8x80 w/bulbs |
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01/06/2018, 10:31 AM | #2643 | |
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185 DSA, 40br Sump w/some stuff in it ATI 8x80 w/bulbs |
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01/06/2018, 10:44 AM | #2644 |
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Not sure how everyone else is dealing with it but i am having trouble with collecting co2 at the top of the Geo 618, running approx 1 bubble per 1.5-2 seconds. The tubing is 17 on a masterflex running at 50 (the number on the screen display). Every 2 days or so i have to prime out the bubble at the top of the reactor as it collects and interferes with the re circulation pump. Its not large enough to stop the pump from working completely but it is large enough to keep it from working properly. My reactor ph is 6.8.
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01/06/2018, 10:47 AM | #2645 | |
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185 DSA, 40br Sump w/some stuff in it ATI 8x80 w/bulbs |
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01/06/2018, 11:00 AM | #2646 | |
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01/06/2018, 11:01 AM | #2647 | |
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01/06/2018, 11:33 AM | #2648 | |
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185 DSA, 40br Sump w/some stuff in it ATI 8x80 w/bulbs |
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01/06/2018, 11:47 AM | #2649 |
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Souk, are you pushing or pulling with your Masterflex through your reactor? I would love to see how you rerouted your lines to avoid bubble build up on the lid of your reactor. This almost seems like a common issue with GEO reactors and would like to see how you addressed this issue. Trying to cover all my bases before I get my Watson Marlow and GEO 612 up and running. Thanks!
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01/06/2018, 12:40 PM | #2650 | |
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