Quote Originally Posted by Tongue Flicker View Post
LOL

How about plywood cut to fit? I know there are water resistant types like marine plywood and concrete plywood (i think?!).. holes can be easily drilled plus your cat can sleep on top of your tank the whole day. Just pray to God she doesn't pee on it lol.
Glass or acrylic would most likely be cheaper than marine wood and any other water resistant wood.