Arag-Alive! makes it easy to set up an aquarium. Its 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.