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#1
11-10-2008, 05:24 PM
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How to drop Alkalinity and keep it stable?
Hi guys,
My Alkalinity is 15, a bit too high. (30 drops with elos test to get water from clear to blue to yellow) I have tiny calc reactor (Acro-Cal) and running 1 (one) Co2 bubble every 4-6 seconds in a bubble counter, can not make it any less then that with needle valve from J&L. Increasing the flow through the reactor doesn’t seem to help with Alk drop, but only in Ph increase in the effluent. Any ideas on how to drop Alkalinity and keep it there stable? thx Last edited by RuGlu6; 11-10-2008 at 05:26 PM. 
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#3
11-10-2008, 07:57 PM
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Check your Ca level. If the Ca is also pretty high, just shut the reactor off until things drop back down to more appropriate levels. After that, you have to slow down that reactor to keep things in line.
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400 gal reef. Established April, 2007. 3 Sequence Dart, RM12-4 skimmer, 2 x OM4Ways, Yellow Tang, Maroon Clown (pair), Blonde Naso Tang, Vlamingi Tang, Foxface Rabbit, Unicorn Tang, 2 Pakistani Butterflies and a few coral gobies My Tank: http://www.canreef.com/vbulletin/showthread.php?t=28436
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#5
11-10-2008, 09:46 PM
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Thanks for replies people,
Sorry forgot to mention the obviously needed info. Cal level is 420ppm Ph main tank 8.3-8.4 Ph Reactor effluent 6.6 with one bubble every 4-6 seconds, can't make it anything less the that. Reactor effluent is steady drip but fast enough to not to be able to count drops. I just switched to Reefers Best salt maybe this will make it better... I have few SPS and some LPS so there is a need at least for some Calcium.
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#6
11-10-2008, 09:56 PM
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Quote:
Ca is high enough that if you shut down that reactor, you'll see the Alk fall...while the Ca will also fall but much more slowly. I still think that is what you need to do.
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400 gal reef. Established April, 2007. 3 Sequence Dart, RM12-4 skimmer, 2 x OM4Ways, Yellow Tang, Maroon Clown (pair), Blonde Naso Tang, Vlamingi Tang, Foxface Rabbit, Unicorn Tang, 2 Pakistani Butterflies and a few coral gobies My Tank: http://www.canreef.com/vbulletin/showthread.php?t=28436
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#8
11-10-2008, 10:20 PM
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I've found the ELOS kit to be more difficult to use. (I hate counting drops...) But it does seem to give the same results as the Salifert - within the general accuracy of things.
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400 gal reef. Established April, 2007. 3 Sequence Dart, RM12-4 skimmer, 2 x OM4Ways, Yellow Tang, Maroon Clown (pair), Blonde Naso Tang, Vlamingi Tang, Foxface Rabbit, Unicorn Tang, 2 Pakistani Butterflies and a few coral gobies My Tank: http://www.canreef.com/vbulletin/showthread.php?t=28436
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#10
11-12-2008, 04:01 PM
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Just shut shut down the reactor until your alk drops. If your calcium drops too much you can add Calcium Chloride to raise the level. It's amazing your pumps haven't seized with that high of an Alk level.
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