Fast dissolving Tetra AquaSafe Water Neutraliser turns tap water safe. The formula promotes healthy water and healthy fish through a unique mix of vitamins, natural biopolymers as well as trace elements. Substances in the tap water which are harmful to fish are immediately neutralized: Chlorine and Chloramine are eliminated and heavy metals like copper, zinc and lead are bound completely by a complexing agent. The neutraliser promotes clear and healthy water due to bio colloids for beneficial bacteria growth which supports the creation of clear water. The neutraliser includes essential elements that are present in natural environments: Iodine for vitality, and magnesium for growth and well-being. The optimised vitamin formula reduces stress and supports long lasting health. Gills and mucous membranes are protected by tangible colloid ingredients. Always read the label.