The Water Softener Salt Pellets are a high-quality salt designed for use in swimming pools and water softening systems. With a purity of over 99% sodium chloride, these solid pellets ensure an efficient dissolve rate, making them ideal for pools equipped with chlorine generators or saltwater sanitizing systems. The pellets are formulated to help maintain the optimal salt levels required for effective chlorination and water softness. Additionally, the product contains a mix of calcium sulfate and sodium sulfate, further enhancing its dissolving capabilities, ensuring clean and balanced pool water. Sold in a large 40 lbs bag for continued use.