Juwel root backgrounds can be simply cut to size and attached to the rear of the aquarium from within using juwel silicone adhesiver they are perfectly designed to integrate between two rock backgroundsr aquarium number of backgrounds requiredr rekord 96 x 2r rekord 110 x 2r rekord 120 x 2r rekord 160 x 2r rio 125 x 2r rio 180 x 2r panorama 80 x 2r panorama 100 x 2r vision 180 x 2