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Randy Holmes-Farley · 05/12/2012, 04:32 PM

Water changes are not really a suitable way to deal with pH issues of any kind.

What is the alkalinity? The higher it is the higher the pH will be, but perfect aeration will drive the pH down below 8.5 unless the alkalinity is 14 dKH or higher.

05/12/2012, 04:32 PM	#14
Randy Holmes-Farley Reef Chemist Join Date: Apr 2001 Location: Arlington, Massachusetts Posts: 86,233	Water changes are not really a suitable way to deal with pH issues of any kind. What is the alkalinity? The higher it is the higher the pH will be, but perfect aeration will drive the pH down below 8.5 unless the alkalinity is 14 dKH or higher. __________________ Randy Holmes-Farley Current Tank Info: 120 mixed reef