sump tank size ?

[montes0311]

what size sump for my 65 gallon tank 36''x18''x24'' ?

[papagimp]

imo, the largest you can fit in the setup.

[aleonn]

+1, the larger the volume, the better the water stability. Do you plan to place the sump in the stand, basement, or dedicated fish room?

[montes0311]

the sump will be under the fish tank , ok thanks !