Size (length*width*height): 15cm x 15cm x 15cm

Nite-Out II is a specially formulated bacterial blend which rapidly starts and stabilizes the biological filter in fresh and saltwater aquariums. Nite-Out II safety and naturally removes harmful ammonia and nitrite through a biological process (nitrification). This highly concentrated blend of benefical bacteria is designed to prevent a build up of toxic ammonia or nitrite in newly set up aquariums or following water changes.