API AQUA ESSENTIAL Water Conditioner 16 ounce bottleBrand: API Color: No Color Features: Contains one (1) API AQUA ESSENTIAL Water Conditioner 16 ounce bottle; treats up to 4,730 U. S. Gallons WORKS INSTANTLY: Highly concentrated aquarium treatment works instantly to remove harmful chemicals, making tap water safe for fish in freshwater, saltwater and planted aquariums; Reduces the risk of fish loss when starting or maintaining a fish tank DECHLORINATOR: Removes chlorine, chloramines, heavy metals