Dupla Marin Reef Ground Sand 0.5 - 1.2mm 3L

Highly pure, natural aragonite of fossil origin as a soil substrate for all saltwater aquariums. Extremely bright with high light reflection due to the purity, which is particularly advantageous for light-hungry corals. Reef Ground is an excellent alternative to natural coral sand and respects the environment. Before bringing them into the aquarium, the substrate should be washed thoroughly.

CaCO 3 99.2%
MgCO 3 0.4%
FeO 3 0.035%