The Planted Tank Forum - View Single Post - KH and plants
Thread: KH and plants
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post #11 of (permalink) Old 04-18-2012, 12:08 PM
Algae Grower
Join Date: Apr 2009
Location: Amherst, NS Canada
Posts: 141
My pH is wicked low though. Like 5.1 sometimes 4.5 in my co2 injected tanks
The pH of carbonic acid in normal atmospheric conditions is about 5.5. The pH of your tanks suggests that either pH test is off or you have stronger acids at work in your tank.


Wishing I had a pithy quote
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