The Planted Tank Forum - View Single Post - Will DIY Co2 lower my ph and gh???
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post #2 of (permalink) Old 12-03-2002, 09:51 PM
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Join Date: Oct 2002
Location: Minneapolis, MN
Posts: 859
CO2 will not lower your GH (or KH) at all, just lower you pH.


Tank in transition! 55 gallons, hard water.
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