I am planning a 3-D background for a Discus 55gal...
I would like to use a 1in StyroFoam Backer, and design the backround with spray foam
crack filler, then Concrete!! has any one tried spray foam instead of all the mess of shaping and cutting the styro foam...
I would like to use a 1in StyroFoam Backer, and design the backround with spray foam
crack filler, then Concrete!! has any one tried spray foam instead of all the mess of shaping and cutting the styro foam...



