I use the 1/2" or 3/4". I'm guessing that 1" would be fine. I think anything thicker might not compress as good and level out the way you would want it to. IMO
jdepasqu2;1425388; said:do you have any supports in the middle of that tank???
Greenaveli;1425415; said:I use the 1/2" or 3/4". I'm guessing that 1" would be fine. I think anything thicker might not compress as good and level out the way you would want it to. IMO