Hold the phone here. Couple things to correct. First, what you need is a piece of 3/4” plywood that is cut to size to sit right between the tank and stand. If it’s a standard 180, then it should be about 6ft x 2ft. No glue needed, just place the plywood on the stand and the tank on the plywood. Line them up and fill the tank.
Do not use foam between the plywood and the tank. This is a common mistake and will put extra stress on the bottom seams of the tank. Our local expert of acrylic tanks,
wednesday13
, explained the reasons why in several threads. He has a great deal of knowledge on acrylic tanks and if he says not to do it, then you should definitely listen.