CaribSea Aragonite Special Grade Reef Sand Substrate Perfect for Marine, Reef, and Cichlid Aquaria - 15 lb

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 Typical Substrate Size: 1.0-2.0mm Average Density: 85 pounds per cubic foot 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 is 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