Safe for fish, plants and wild life;Instantly makes tap and well water safe for pond life;Neutralizes chlorine, copper, lead, zinc and other heavy metals;Dechlorinator;Instantly neutralizes chlorine, copper, lead and zinc found in tap water and heavy metals caused by soil leaching and acid rain;Use when setting up a pond or changing pond water;Instantly makes tap and well water safe for pond life.;Treats 19,200 US Gal (72,680 L)