I just purchased a used 7' long 200 gallon glass tank. The top of the homemade stand that came with it is Styrofoam. It doesn't look good around the edges of the tank where the tank sits, but the rest of the stand looks good. The guy I bought it from said the weight was too great not to have the Styrofoam under it. Has anyone heard of this before? Could plywood under the bottom pane inside the trim be a comparable alternative? Any thoughts to make this look better are appreciated.