The Planted Tank Forum - View Single Post - Affordable CO2 sensor?
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post #97 of (permalink) Old 12-16-2012, 10:23 PM
Algae Grower
Join Date: Dec 2012
Location: Okeechobee, FL
Posts: 12
Originally Posted by Hoppy View Post
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?

Hoppy had it right from the beginning. Do this!
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