You can now bring the world's most exotic reefs into your home with CaribSea's Arag Alive substrates. It is developed from CaribSea's cooperation with public aquariums and zoological parks, where authenticity is a must. From the alluring black sands of the Indo Pacific to the bright white oolite of the Bahama Banks, the colorful and textured Bimini Pink, and the uniquely uniform Fiji Pink, Arag Alive has you covered with seven exotic microcosms to choose from. 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 in closed systems like your aquarium. Arag Alive is engineered to suppress "new tank syndrome" and compress the ammonia cycle. It begins to cycle your aquarium instantly. In fact, independent labs prove Arag Alive cycles your aquarium days faster than