
11-29-2014, 12:34 AM
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Member
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Join Date: Apr 2014
Location: abbotsford
Posts: 252
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a long read, but I found it extremely helpful in answering the same question
http://www.reefkeeping.com/issues/2006-02/rhf/
Ooops, wrong one
http://reefkeeping.com/issues/2004-05/rhf/
Last edited by reefwithareefer; 11-29-2014 at 12:49 AM.
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