FloraPure removes chlorine and other halogens and neutralizes heavy metals and other toxic substances, that are detrimental to plant growth, turning tapwater into ready-to-use planted aquarium water. In addition to providing the correct water quality for aquatic plants FloraPure contains colloids to protect fish from infections. FloraPure should be used to condition water for a new aquarium set-up and for every water change. Tapwater conditioner for planted & freshwater aquariums