Here is a recent pic of my 66gal tank. I run 4x 48" VHOs off an Icecap
660. The tank is drilled with a MAG9 for the return. I have a 20gal
sump. I run a Berlin with a Kent venturi and MAG5 pump. I use natural
seawater taken a site 30KM from my home.

http://users.eastlink.ca/~xerces/tank.jpg
http://users.eastlink.ca/~xerces/1.jpg

Xerces