REEF GROUND SAND 0.5 – 1.2 MM DIA., 20 KG

Ultrapure natural aragonite of fossil origin as a substrate for all marine water aquaria. Due to its purity, extremely bright with high light reflectance which is particularly an advantage for light-hungry corals. Reef Ground is an outstanding alternative to natural coral sand and protects the environment. Before placing in the aquarium, rinse the substrate thoroughly.

CaCO3 99.2%
MgCO3 0.4%
FeO3 0.035 %