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Old 01/10/2008, 07:35 PM
m2434 m2434 is offline
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Join Date: Jan 2004
Location: Boston, Ma
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Quote:
Originally posted by rishma
You may notice a drop in pH since the lights will be off. 2-3 hour is probably okay, just be aware.

Why? The pH is effected by CO2 and has no relationship to O2.
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