i just upgraded from a 46 bowfront to a 90gal. Is there a thing as too much flow, i may have gone a little over board got a mag 9.5 return, 2 koralias 3 cross streaming top to bottom, and 2 koralias nanos blowing staight across 4 inches from bottom to keep sand clear.
http://i279.photobucket.com/albums/k...21-2010048.jpg