I have a 150 gallon that I am converting from fish only to reef. I want to keep some polyps, mushrooms, leathers and generally stuff that is not very demanding. I replaced my wet-dry with a refugium (thanks everyone for your help with that) and now want to replace my canister filters with a closed loop. http://www.wamas.org/forums/index.php?s=&a...m&album=235
I was going to shoot for around 2,000 gph or lower through the loop. The tank is not drilled. Here is what I was thinking, starting from the intake:
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