HTH Pool Care Chlorine Granules Ultra, Swimming Pool Chlorinating Sanitizer & Shock, Kills Bacteria & Algae, 18 lbs

Product description

• BENEFIT: Get the ultimate in pool care convenience with this all-in-one Cal Hypo formula; Sanitizes, controls algae, clarifies, softens pool water, and even prevents stain and scale to keep your pool clean, clear, and ready for summer fun
• VISIBLY BRILLIANT SPARKLE: This Cal Hypo based formula sanitizes and shock treats without adding cyanuric acid (CYA) to prevent overstabilization or chlorine lock
• MULTIFUNCTIONAL, FAST ACTING: The all-in-1 pool treatment has built-in algae control, pool water clarifier, stain and scale preventer, water softener and filter aid—all with visible sparkling blue results in 24 hours
• COMPATIBLE WITH ALL POOLS: This product is great for all pool types including vinyl-lined pools and saltwater systems
• YOU’RE ALL CLEAR WITH HTH: For best results, use HTH 6-Way Test Strips twice weekly to test and balance your swimming pool water and keep chlorine levels between 1 and 4 ppm