Quote Originally Posted by SoLiD View Post
FYI: Watts per gallon is an old standard not really used anymore. With all these high powered LED's most are looking at PAR values. Also, the reflector behind you Metal Halide and T5 bulbs matters a ton. I've seen some nice home made sumps made out of Rubbermaid containers.
Do you have any links to the rubber maid sumps?

I've seen them turned into trickle filters but never into a sump.