Reef Ground Sand 0.5 - 1.2 mm dia., 3 L

High purity natural aragonite of fossil origin as a soil substrate for all saltwater aquariums. Extremely bright with high light reflectance due to the clarity, which is especially beneficial for light-starved corals. Reef Ground is an excellent alternative to natural coral sand and respects the environment. Before bringing it into the aquarium, the substrate must be washed well.

Calcium carbonate 3 99.2%
Majko 3 0.4%
FeO 3 0.035%