The ClearWater Multi Function Chlorine Tablets are specially designed for hot tubs and swimming pools. With a convenient tablet form, these chlorine tablets are easy to use and effective in treating all water types. Each tablet contains 20g of chlorine, The tablets come in a pack of 50, providing a long-lasting solution for maintaining clean and clear water in your pool or hot tub. got this for when i had lazy spa but never been opened
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