> From: "Olive K. Charlsey" <achaudh at emory_edu> > Date: Tue, 28 May 1996 08:41:57 -0400 (EDT) > > > This causes the water to saturate and perhaps supersaturate for > > dissolvable CO2. > > CO2 saturation at room temperature and pressure is probably > around 800 mg/l. In my tank, the [CO2] is around 25 mg/l. I think it's more likely around 0.46 mg/l (theorectical) and 2-3 mg/l in a typical tank without CO2 injection due to respiration. George in Definitely Damp Colorado