API® Tap Water Conditioner instantly detoxifies tap water, allowing you to add fish to your aquarium (or return them after a water change) immediately. The API Tap Water Conditioner removes chlorine from aquarium and tap water, detoxifies heavy metals, and can be used in both freshwater and saltwater.

This highly concentrated formula treats up to 600 US gallons of water with just one ounce spoonful, making your aquarium a safe environment for your fish.

Add 1 ml for every 20 gallons of aquarium water.