Effervescent vitamin C dechlorination tablets are comprised of ascorbic acid, citric acid and sodium bicarbonate. This powerful formula is designed to neutralize chlorine and chloramines in in hot tub or spas. As Vitabath dissolves, the vitamin C will become effervescent and begin to fizz. One Vitabath effervescent tablet is able to neutralize 1 ppm chlorine and chloramines in 100 gallons of water and completely eliminate the dry itchy skin caused by chlorine in your hot tub or spas. Great for a Luxury Bath! The Vitabath Effervescent Vitamin C Dechlorination Tablet provides: Dechlorination agent: 100% Pharmaceutical Grade Vitamin C. Totally remove chlorine and chloramines from your hot tub and spas. Improve skin and hair. Relief from dry, itchy skin. Meets the dechlorination requirements of the US EPAs Clean Water Act. Environmentally safe. Contains a nutrient which is essential for the health. 100% organic. Ingredients: Ascorbic acid, citric acid, sorbitol, sodium dicarbonate. Suggested Use: One tablet fully neutralizes 1 ppm chlorine and chloramines in 100 gallons of water. Preferably one tablet per bath. Not for human consumption. Store at room temperature; Avoid excessive heat and moisture. Effervescent Vitamin C Dechlorination Tablets(100 tablets): Retail - $19.95!