| EPA Registration Number | 5185-441-45729 |
|---|---|
| UPC | 810032580414 |
Check the listing for details. Natural Chemistry Spa Chlorine 2Ib.. Condition: New. Listed at 29.99 USD. Superchlorination: Use one teaspoon of this product per 100 gallons of water (or 1/4 cup per 1,000 gallons). When used as directed, this product is effective as a spa and hot tub water disinfecting agent.