Stress coat, with the healing power of aloe vera, is scientifically proven to reduce fish stress and heal damaged tissue. It forms a synthetic slime coating and replaces the natural secretion of slime that is interrupted by handling, shipping, fish fighting or other forms of stress. Helps reduce susceptibility to disease and infection. Helps heal torn fins and skin wounds. Reduces electrolyte loss. Also works instantly to remove chlorine and chloramines from tap water. Neutralizes heavy metals. Use when starting a new aquarium, adding or changing water and adding fish. Scientifically proven to reduce fish stress by 40 percent. Scientifically proven to heal wounds and promote regeneration of damaged fish tissue.