API Tap Water Conditioner - Available In 3 Sizes

API® TAP WATER CONDITONER treatment removes toxins from tap water instantly, so you can add fish to your aquarium (or add them back after a water change) immediately. It dechlorinates aquarium and tap water, detoxifies heavy metals, and may be used in both fresh and salt water.. Instructions. Use dosing cap on bottle. To remove chlorine and detoxify heavy metals: Add 1mL for each 10 U.S. gallons (38L) of tap water to be added to the aquarium. To detoxify chloramines: Add 5mL for each 30 U.S. gallons (114L) of tap water.