Microbe-Lift Nite Out II for AquariumsMicrobe Lift Nite Out II is specifically designed for aquariums with marine life. This special formula is made to help eliminate ammonia by a natural biological process known as nitrification. Initiates nitrification and promotes stable nitrification Provides stable cold weather nitrification Safe to use around plants and animals The cultures inside of Nite Out II will establish, promote or stabilize and maintain nitrification in aquariums. This will