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digger · 04-11-2003, 02:55 PM

Stat is right. The concentration of CO2 in the atmosphere is much higher than what we have dissolved in our fish tanks, otherwise our tanks would look like a can of Coca-cola. A good rule of thumb for fishtanks is 15 ppm (.0015%) of CO2, the atmosphere is about .035 % CO2. The pressure of the water drives the CO2 out of sollution, so we increase the contact of the CO2 with the water.

04-11-2003, 02:55 PM	#10
digger Planted Tank Enthusiast (View User Tanks) PTrader: (0/0%) Join Date: Feb 2003 Location: Minneapolis, MN Posts: 519	Stat is right. The concentration of CO2 in the atmosphere is much higher than what we have dissolved in our fish tanks, otherwise our tanks would look like a can of Coca-cola. A good rule of thumb for fishtanks is 15 ppm (.0015%) of CO2, the atmosphere is about .035 % CO2. The pressure of the water drives the CO2 out of sollution, so we increase the contact of the CO2 with the water.