You can now bring the world?s most exotic reefs into your home with CaribSea?s Arag-Alive!? substrates. Eight environmentally accurate ecoscapes， developed through CaribSea?s cooperation with public aquariums and zoological parks where authenticity is a must， Arag-Alive!? makes any aquarium uniquely yours. Arag-Alive!? makes it easy to set up an aquarium. It?s ready to work， clears quickly， and contains millions of live bacteria to cycle super fast and create a natural biological balance. Arag-Alive!? suppresses the dreaded ?new tank syndrome?， compresses the ammonia cycle， and discourages nuisance algae. In fact， independent labs prove Arag-Alive!? cycles days faster than other brands of live sand. That?s what makes Arag-Alive!? the choice of new aquarists and maintenance companies where speed of set up， beauty， and reliability are demanded.

Carib Sea® Arag-Alive!? Special Grade Reef for Fish 15 Lbs