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100% salt free
Individual unit proof testing
High Tensile Strength
such as nails
HTH® Pool Care Shock Ultra 1 lb Size:1 lb 100% salt freeUse this all in one powerhouse to quickly and easily increase chlorine levels, prevent bacteria, algae, stain and scale, reduce skin and eye irritation, improve filtration and soften your swimming pool water. All in 1 weekly Cal Hypo pool shock Use weekly to solve 90% of pool water problems Restores crystal clarity in 24 hours Visibly brilliant sparkle This Cal Hypo based formula sanitizes without adding cyanuric acid (CYA) to prevent
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