Styrofoam under tank

[Myka]

Ya, I like to keep the styrofoam about 1/4" larger than the tank on all sides. I usually just cut the sheets into 2" strips and put that around the perimeter of the tank, and then a small patch in the center to help keep the bottom from bowing. If the tank has trim you obviously don't need the patch in the center.

[Aquattro]

Ok, I'll slice it down the middle and spread it out a half inch. Better safe than wet, I always say!
Now to find someone strong enough to lift the end of the 180 !