Acrylic tank build - help needed
hi guys im going to build a acrylic tank to grow my angel fish out in .
im going to make it (L) 30' x (W) 15' x (H) 20'
but what size acrylic would i need would 4mm be too weak ?
i know i can just buy a tank but i thought it would be kool to make one myself.
thanks alot guys