[Bigred]

I would do a 6'Lx4'Dx2'T and set it in the corner that has the wall for the room where you would put the sump. I had a 380 that was 6.5'LX4'Dx2'T and it was a great tank. Lots of rock 4 MHs with Lumenarcs, Barracuda for a return, 2 Darts for closed loops, 100 gal for a sump, and so on.