Carib Sea Arag-Alive! Bahamas Oolite

Bring the world's most exotic reefs into your home with CaribSea's Arag-Alive™ substrates. Beauty and brains, Arag-Alive™ helps maintain a proper pH for the life of your aquarium without the constant addition of chemicals, and creates a biological balance to discourage nuisance algae. Arag-Alive™ contains millions of bacteria per pound specially engineered for aggressive waste reduction. It is engineered to suppress "new tank syndrome" and compress the ammonia cycle.