Teraa Aqua Conditioner is a two in one product which 4x more concentrated conditioner for freshwater aquarium which removes chlorine, chloramine along with reducing stress for fishes. It also binds ammonia, nitrate, nitrite which helps the biofilter to remove them effectively. It will also remove any heavy metals effectively. Can be used for tank cycling also on regular water changes. Our conditioner also protects gills and mucous membrane of fish, reduces stress and supports long term health with a special vitamin mix containing vitamin B.