The Clorox® Pool&Spa™ Swimming Pool Calcium Hardnes increaser is a 128 ounce powder form alkalinity increaser designed to maintain balanced pH levels in swimming pools. Made in the USA, this product is lightweight at 8 pounds and compact with dimensions of 5.5 x 11 x 14.5 inches. Ideal for keeping pool water in optimal condition for a clean and enjoyable swimming experience.
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