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Regenerating GFO
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11/05/2009, 09:10 AM
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Randy Holmes-Farley
Reef Chemist
Join Date: Apr 2001
Location: Arlington, Massachusetts
Posts: 86,233
My expectation is that the pH won't reliably change unless there is a lot of solid and almost no liquid. A pH drop could also be coming from CO2 entering from the air.
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