The Planted Tank Forum - View Single Post - Affordable CO2 sensor?
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Old 11-04-2012, 01:48 AM   #3
Hoppy
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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?

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