CrystalClear, 8 OZ, Vanish Liquid, Will Immediately Remove Chlorine, Chloramine & Heavy Metals That Are Often Present In City Water Supplies, Adds A Fish Slime Coat Protectant To The Water To Help Fish Heal Wounds & Abrasions & Protect Them In Times Of Stress, During Water Changes & Clean Outs, Safe For All Aquatic & Domestic Animals.