Help
I found this site
http://reefkeeping.com/issues/2008-01/newbie/index.php
So return pump size is going to be about 200 Gallons/Hour. Is it better to have drains that are at the top of my overflow or at the bottom? Do I need holes to stop the siphon? Can my return pump too much? Can my drains drain to much? Is mechanical filtration recommended?