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does heavy skimming remove PO4 and/or NO3?
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11/10/2017, 04:37 PM
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bertoni
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Join Date: Mar 2002
Location: Mountain View, CA, USA
Posts: 88,616
Oops, I should have posted this article:
http://reefkeeping.com/issues/2006-08/rhf/index.php
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Jonathan Bertoni
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