Seen a bunch at 1/2in cause the of the 2ft height. For safety a 3/4-1in would be safer and don’t think it’s an overkill.Looking to buy a 8x4x2 acrylic aquarium and notice alot are only 1/2" thick . Seems to me that 3/4 would be better but is it overkill or not worth the added expense?
Who built your tank?I don't think it's overkill at all. I had a new tank built that was smaller at 72x30x28 and I could have gone 1/2" top and bottom. Chris advised 3/4" for the sides. I ended up going 3/4" for all. Honestly the additional cost was not much and my OCD likes all 3/4" for the look and safety.