Quote:
Originally Posted by captsluggo
If you are using a PH controller, the best way to go IMO, just set the CO2 count to maintain ~6.5 to start.
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I recently set up a different model of GEO calcium reactor and have to completely agree with that statement. When using a pH controller, the exact bubble count itself is not so important, as long as it is low enough to keep excess CO2 from building up in the reactor while the solenoid is open and high enough to keep the solenoid from remaining open all the time.
Starting with a low effluent drip rate also made things go well for me. I started at 40 mL / minute and didn't have to change it much from there.