Indo Pacific Black is best used in deep sand bed type systems and is safe for sifting animals as well as soft belly animals such as stingrays. The black material in Indo Pacific Black is a geologically young, inert, volcanic material that is similar to the dark, volcanic material that is found throughout the south pacific. For best results, use at least 1 pound of AragAlive per gallon of seawater. For deep sand beds use 2 pounds per gallon. AragAlive compresses new tank cycle time and suppresses initial ammonia spike. .2 mm – 5 mm.Arag-Alive Indo-Pacific Black comes in
