This water conditioner detoxifies heavy metals, removes chlorine and neutralizes chloramines in your tap water for safe use in your aquarium. Ensure that the water you're using to fill your aquatic pets' home is safe with the help of this API Tap Water Conditioner. Just 1 drop per gal. (3.8 L) instantly removes chlorine, detoxifies heavy metals and neutralizes chloramines in tap water, making the water a healthy environment for your pets. Quickly removes chlorine, detoxifies heavy metals and neutralizes chloramines from tap water to make it safe for use in your aquarium Safe for aquatic life Use 1 drop per 1 gal. (3.8 L) of water Use when setting up a new aquarium or adding water Available in a 4-oz. (113.4 g), 16-oz. (453.6 g) and 1-gal. (3.8 L) bottles *See menu selections above for sizes and styles in stock and available online.