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

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