The Planted Tank Forum - View Single Post - Arduino Diy pH probe
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post #11 of (permalink) Old 01-28-2013, 03:44 AM Thread Starter
Planted Tank Guru
Join Date: Aug 2010
Location: Houston
Posts: 2,261
The idea is to use a gas permeable membrane to hold some 4dkh fluid and use the ph meter to measure fluctations in ph and translate to co2 concentration. Using the membrane increases response time for CO2 measurement.
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