API TAP WATER CONDITIONER Aquarium Water Conditioner 1-Ounce Bottle Contains one (1) API TAP WATER CONDITIONER Aquarium Water Conditioner 1-Ounce Bottle Neutralizes chlorine, chloramines and other chemicals to make tap water safe for fish Prevents tap water chemicals from causing gill destruction, tissue irritation and fish death Super strength, high concentration formula Use when adding or changing water and when adding new fish to freshwater and saltwater aquariums