Weco DeChlor instantly eliminates chlorine and reduces toxicity of common heavy metals, making tap water safe for your aquarium fish. Just 1 drop per U.S. gallon removes chlorine and chlorine dioxide.

DeChlor also reduces the toxicity of heavy metals such as copper, cadmium, mercury, silver, zinc, lead, nickel, manganese, and sodium selenite which may be harmful to aquatic life. Use when filling your fish tank for the first time or when performing a water change to properly condition tap water for fish.

Dosage:
Removes Chlorine - Add 1 drop per gallon
Removes Chloramine - Add 2 drops per gallon