Sodium thiosulfate for dechlorination of tap water during water changes or anytime tap water is added to the pond or aquarium.

Mix 4oz of contents into a one gallon jug of tap water. Shake to dissolve. Use one teaspoon of this newly mixed solution per 10 gallons of tap water added to the pond. One cup treats up to 600 gallons. One gallon treats up to 10,000 gallons of tap water. KEEP AWAY FROM CHILDREN. DO NOT INHALE DUST. AVOID CONTACG WITH SKIN AND EYES. WASH THOROUGHLY AFTER HANDLING. Non-Toxic to humans, pets, and aquatic life.

Best when used within one year.