The Planted Tank Forum - View Single Post - Affordable CO2 sensor?
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post #3 of (permalink) Old 11-04-2012, 01:48 AM
Planted Tank Guru
Join Date: Dec 2005
Location: Sacramento, CA
Posts: 21,015
There must be a relationship between ppm in the water, and ppm in the air trapped above the water. I assume the partial pressures of the CO2 would be equal, but what would the relationship be between the two ppm's?


Last edited by Hoppy; 11-04-2012 at 01:59 AM. Reason: add illustration
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