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Old 12-03-2004, 05:36 PM   #1
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alkalinity

In a FOWLR setup what is the desired KH (alkalinity) .
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Old 12-03-2004, 06:06 PM   #2
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No need to test for this in a FOWLR unless your looking to get the coralline algae to grow. Then it would be the same as a reef, cal 400-450 and alk 9-11.
I would keep them on the lower end for the fish.
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Old 12-03-2004, 10:06 PM   #3
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I actually an alk test as a good indicator of the need for a water change. A proper alk reading is critical to maintaining a stable pH. Test for alk & Nitrate weekly & you will make your job keeping fish a lot easier!
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Old 12-04-2004, 08:13 PM   #4
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Indicator for a water change???? This is a new one to me. I only check nitrates on my fowlr and had no problems in over a year. When my nitrates get up around 20 then I do a water change, unless its been a few months then I just do a water change.
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Old 12-07-2004, 11:34 AM   #5
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Can you explain how Alk is a good indicator for a water change? I've never heard that before, so I'd like to hear the reasoning behind it.
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Old 12-07-2004, 01:35 PM   #6
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I am very new to all this but this is what they do. LFS, a very reputable one says they have not checked for Ph in years. Only the Alk test. Something to due with "Buffer" I cant remember exactly ??
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Old 12-07-2004, 02:10 PM   #7
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I think if you have low alk your PH would likely be low, If you add an alk buff it will increase the ph

That is at least what I understand (could be wrong)
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Old 12-07-2004, 02:39 PM   #8
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That sounds like what they said.
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Old 12-07-2004, 03:11 PM   #9
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right now I am debating on doing a buff to my tank my ph is a bit low and so is my alk, I have read that regular water changes will also equilize PH.
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