The Planted Tank Forum - View Single Post - 30ppm CO2 (rusty brain)
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post #2 of (permalink) Old 01-22-2013, 02:01 PM
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Join Date: Dec 2012
Location: Montreal
Posts: 240
It certainly does not contain 30ppm of CO2. There are other things in the water that can alter the pH or KH. That's why I really don't understand how these pH/KH/CO2 tables are supposed to be of any use.
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