Vinyl sheets are where most people probably started with aquarium backgrounds, with detailed aquatic scenes, or just a plain solid colour being the classic choice for many beginners. They easily attach to the back of the aquarium and hide the wires and whatever wallpaper or paint that is on the wall behind the tank. Some may opt to paint the back of the tank, this can give a more polished look as there's less risk of salt creep and air pockets being visible. Whereas, a frosted background is a po