Stress Coat Plus+ completely neautralizes and removes chlorine, chloramine & the ammonia associated with chloramine, which is added to tap water. Chloramine is toxic to fish as it is a molecule of chlorine and ammonia. Many water conditioners mainly break the bond, releasing the toxic associated ammonia. Pond Care Stress Coat Plus+ special formula containing a slime coat replenisher and Aloe Vera, not only eases stress but also promotes the healing of damaged fish tissue and detoxifies heavy metals from tap water. Recommended for use whenever adding new water or new fish to a pond.