Quote:
Originally posted by mmotown
My tank PH is 8.1-8.3. My effluent seems to rise during the day. It's at 7.3. I don't want to overload my system with C02. What will excess C02 do?
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Right now it appears you are OK. The risk I see you having is inappropriatly lowering pH by increasing your CO2 bubble rate. pH in the 1st chamber should not fall below 6.4-6.5 in order to avoid turning the reactor substrate to mush. This is why I advise using a pH probe/controller in the 1st chamber. Set the pH and forget about it other than occasional pH probe calibrations. Measure the efffluent alkalinity and tank alkalinity and follow the online calculator
Calcium Reactor Setup