CaribSea Inc -CaribSea Arag - Alive Special Reef Sand - 20 Lbs

Only CaribSea's Arag-Alive Sand contains not just the broad spectrum of natural marine bacteria found in the ocean, but additional specially selected strains of marine bacteria as well. Arag-Alive compresses new tank cycle time and suppresses the initial ammonia spike. Arag-Alive creates a natural biological balance, and makes cycling a new aquarium faster and safer. Live rocks and most invertebr