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Old 09/12/2015, 07:34 PM   #341
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Join Date: Feb 2007
Location: Santa Monica, California, USA
Posts: 2,437
Photoperiod is probably not a concern. Worst case the pH get up a little high, but 8.5 is not going to hurt anything.

Inventor of the easy-to-DIY upflow scrubber, and also the waterfall scrubber that everyone loves to build:
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