Rocky aquarium background is one of ARSTONE latest models and it is composed of larger 3D rocks. It can be used both for freshwater and saltwater tanks as all ARSTONE decorations. Rocky for aquarium or terrarium tanks is a replica of natural Alpine texture stone. It was designed in order to emphasize the back volume of the tank, although it won’t take off much space, it’s only up to 13 cm deep. Bring nature to your tank. More… Available sizes: 100 x 50, 120 x 50, 130 x 50, 130 x 60, 150 x 50, 160 x 60, 200 x 60, 200 x 70.