base

HI Everyone, Happy New year! I am looking to build my own tank and I want to build 4' (or longer) tank but I am having an hard time understanding the thickness calculators online, right now I am set on the below two configurations. 60" X 24" X 20" (L X W X H ) or 48" X 24" X 20" (L...

We have been given a tank with a cracked base. Considering im relatively handy is there any cheap and effective way of repairing?