You can now bring the world's most exotic reefs into your home with CaribSea's Arag-Alive^TM substrates. It is developed from CaribSea's cooperation with public aquarium and zoological parks, where authenticity is a must. From the alluring black sands of the Indo Pacific to the bring white oolite of the Bahamas Banks, the colorful and textual Bimini Pink, and the uniquely uniform Fiji Pink, Arag-Alive^TM has you covered with seven exotic microcosms to choose from.

Beauty and Brains, Arag-Alive^TM helps maintain a proper pH for the life your aquarium without the constant addition of chemicals, and creates a biological balance to discourage nuisance algae. Arag-Alive^TM contains millions of bacteria per pound specially engineered for aggressive waste reduction in closed systems like your aquarium. Arag-Alive^TM 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^TM cycles your aquarium days faster than other brands.