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

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

Add 1 ml per 20 gallons of aquarium water.