R3 01191 Resealable Baking Soda, 12 lb Bag, Crystalline, White

Large size for big volume uses like pools, laundry or top-to-bottom spring cleaning. The re-sealable waterproof plastic bag allows for use and storage in high moisture areas. Optimizes chlorine performance for crystal clear water. Neutralizes odors safely and effectively. Balances pH levels naturally.