View Single Post
  #5  
Old 01/09/2008, 09:56 PM
scotmc scotmc is offline
Registered Member
 
Join Date: Jun 2007
Location: Maryland
Posts: 499
First, you return will only be able to handle 600GPH. Get a pump that will handle that, plus any headloss. The flow in your main tank will be terermined on what your keeeping. FOLR 20x is a good starting point. LPS 30x. SPS above 40x. This flow will be created by power heads.