This 100% natural aquarium substrate will create a unique look in your fresh or saltwater aquarium. Contains no plastic coatings; simply rinse before use. White sand creates a dramatic look in any underwater environment. The ideal substrate for marine, reef or African Cichlids. Ideal for deep beds, plenum systems, reef or fish tank bottom cover. Removes nitrate, nitrite, ammonia and other wastes. Unsurpassed buffering capability: keep more fish and invertebrates healthier, longer. High uniformity coefficient prevents biofouling. Supports the proper pH of seawater (8.2) with the fastest reaction time. Precision grading and enhanced internal surface area allows CaribSea Aragonite to deliver more calcium, carbonate buffer and essential trace elements than any other substrate. Creates a natural biological balance. Pure aragonite — no tar, harmful organics or impurities. Never needs replacement — works with the natural bacteria to enhance performance over the full life of the system. Ready to use, minimal rinsing required.

CaribSea Aragonite Special Grade 6.8kg