AquaSafe makes tap water safe for fish by eliminating chlorine and heavy metals present in municipal water supplies. AquaSafe also neutralizes chloramine by breaking down the bond between chlorine and ammonia. Now with BioExtract. Aquasafe neutralizes harmful chlorine, chloramines and heavy metals in tap water and adds a protective slime coating. Sodium Hydroxymethane Sulfinate, Polyvinyl Pyrollidones, Organic Hydrocolloids, Organic Chelating Compounds: Size: 1.69 oz.