Thread: Brown algae
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Old 06/19/2007, 09:14 PM
bertoni bertoni is offline
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Join Date: Mar 2002
Location: Foster City, CA, USA
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High nitrate problems can be difficult to tackle. This article covers a lot of ground:

http://www.advancedaquarist.com/issu...t2003/chem.htm

Those lighting times sound reasonable to me. What's in the refugium, and what's the problem with it?
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