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

Exceptional quality, natural aragonite derived from fossils, designed as a substrate for all saltwater aquariums. It boasts an impressive brightness and high light reflection due to its purity, making it particularly beneficial for corals that thrive on light. Reef Ground serves as a superb alternative to traditional coral sand while being environmentally friendly. Be sure to wash the substrate thoroughly before introducing it into your aquarium.

CaCO 3 99.2%
MgCO 3 0.4%
FeO 3 0.035%