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SNPiccolo5 · 01-17-2003, 09:54 PM

3.6 x KH (in degrees) x 10^(7-pH) is the formula to use. Example pH=7, KH=5. 3.6 x 5 x 10 ^ (7-7) so you would have about 17 ppm CO2.

-Tim

01-17-2003, 09:54 PM	#2
SNPiccolo5 Planted Tank Enthusiast (View User Tanks) PTrader: (0/0%) Join Date: Oct 2002 Location: Minneapolis, MN Posts: 859	3.6 x KH (in degrees) x 10^(7-pH) is the formula to use. Example pH=7, KH=5. 3.6 x 5 x 10 ^ (7-7) so you would have about 17 ppm CO2. -Tim __________________ Tank in transition! 55 gallons, hard water.