If you go with a closed loop,you need around 300-400 gph flow out each outlet.So say you want 2 in the front 2 in the back and 1 on each side.(Thinking manifold here)You will need a pump that will put out around 2000-2500 gph after headloss.Myself,I like the idea but it takes a good sized pump to run it.
http://www.advancedaquarist.com/issu...2003/short.htm
Here's a link on how to build a manifold
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Last edited by Quagmire; 07-24-2006 at 01:16 PM.
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