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Old 04/08/2014, 07:10 AM   #4
discocarp
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Join Date: Jul 2003
Location: Winter Park, FL
Posts: 2,707
Here's a couple more good reads:

http://reefkeeping.com/issues/2005-10/nftt/index.php

http://www.advancedaquarist.com/2005/10/aafeature2


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