Originally Posted by summerdaze
I am not good at math or I wouldnt be asking
the demensions of this tank are 18 wide, 36 long and 17 high
thanks so much
about 40-45 it sounds like.
But then again, those dimentions are prolly your OUTER dimentions... Take inner and for height, only measure to where your waterline will be. That'll give you a truer gallon calculation...