Instant Ocean® Reef Crystals® Reef Salt for Aquarium 200 Gal X 4 Bags

Enriched formulation. Optimum effectiveness. Formulated specially for use in reef aquariums, Reef Crystals® contains essential ocean reef elements in concentrations greater than those found in natural sea water.
CAUTION: REEF CRYSTALS IS NOT FOR HUMAN CONSUMPTION. KEEP OUT OF REACH OF CHILDREN. Contact in dry form may cause skin or eye irritation. In case of contact, completely flush skin or eye(s) with cool water and seek medical attention.