CaribSea Dry Aragonite Seafloor Special Grade Reef Sand - 15 lbs

CaribSea Aragonite Special Grade Reef Sand is an ideal, natural substrate for marine, reef, and cichlid aquariums. This pristine ocean sand helps create a natural biological and mineral balance while promoting the overall health of fish and invertebrates.   Perfect for marine, reef, and cichlid aquariums Helps create a natural biological and mineral balance Promotes healthy fish and invertebrates Aragonite Reef Sand reduces fish stress by recreating a natural reef environment in the tank. It is precision-graded for efficient calcium carbonate buffering and high in strontium, magnesium, and other essential reef elements, and always silica-free. It is harvested from pristine ocean waters - not collected from beaches or reefs - and contains no harmful tar, organics or impurities.Its buffering capabilities are unmatched, helping to maintain a proper pH of 8.2 without the constant addition of chemicals to the tank. Each pound of Aragonite provides up to 10,000 square inches of surface are