Fluval Water Conditioner makes tap water safe by neutralizing chlorine, chloramine and undesirable metals, which are toxic to fish. Formulated with pure herbal extracts, it also reduces fish stress and protects scales and fins from minor scrapes and cuts. All-natural conditioner neutralizes metal toxins, chlorine and chloramine found in tap water Herbal extracts reduce fish stress caused from transportation, handling and acclimatization Coats delicate scales and fins to protect against minor abrasions Use when performing water changes, setting up a new tank, transporting fish and healing wounds For use in freshwater and saltwater aquariums