Rebuilding Tank

[aquareef123]

I'm redoing my tank set up. going to keep tank 65gal breeder 36Lx18Wx24H. Now here's the quistion. I'm trying to figure out what's the best size sump/refugium to use.I had a 30 gal breeder 30Lx12Wx18H, but I ran out of space after skimmer upgrade and pump upgrade. also space under cabinet will be about 60"x24".

 

[Russellaqua]

The bigger the better, but I always suggest at least half the size of the main display tank.