Growing stone for the placement of corals. Consists of a highly porous ceramic stone with a live rock function, and has indentations to accommodate approximately 8 coral fragments as well as reef plugs (approx. Ø11mm/.43in). suitable for fresh and sea water. It enables the highly decorative integration on the aquarium glass pane. Thanks to the two strong magnetic holders, the coral rack long is suitable for aquariums with a glass thickness of up to 12mm (1/2"). under water it can be loaded with corals up to approx. 2 kg (4.4 lbs.) dry weight with a glass thickness of up to 12mm (1/2"). with 15mm (2/3”) it can only be loaded with a dry weight of up to 0.8 kg (1.8 lbs.).dimensions (L x w x H) approx.: 240 x 100 x 140 mm (9.5 x 3.9 x 5.5 in.).