{"product_id":"hth-52040b-swimming-pool-care-shock-ultra-cal-hypo-formula-1-lb-6-pack","title":"HTH 52040B Swimming Pool Care Shock Ultra – Cal Hypo Formula, 1 lb (6 Pack)","description":"\u003cp\u003eHTH 52040B Swimming Pool Care Shock Ultra delivers a concentrated Cal Hypo formula designed to boost sanitizer levels and support a cleaner, clearer pool during the season. Sold as a convenient 6 pack of 1 lb bags, it is built for ongoing maintenance and occasional shock treatments that help restore sparkle to water that sees sun, wind, and heavy use.\u003c\/p\u003e\u003cp\u003eA few features stand out for pool owners who want a straightforward, no-fuss approach to pool care:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIncreases available chlorine to sanitize and deter common contaminants, helping to keep the water fresh between weekly maintenance sessions\u003c\/li\u003e\n\u003cli\u003eHelps prevent algae growth, stains, and mineral buildup while supporting clearer, more inviting water\u003c\/li\u003e\n\u003cli\u003eReduces skin and eye irritation by stabilizing the water chemistry when used as directed\u003c\/li\u003e\n\u003cli\u003eImproves filtration efficiency and works in tandem with your pump to maintain steady circulation\u003c\/li\u003e\n\u003cli\u003eSoftens water feel and balance, making it more comfortable for swimmers\u003c\/li\u003e\n\u003cli\u003eSanitizes without adding cyanuric acid, helping avoid overstabilization or chlorine lock\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eKey compatibility and usage notes\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eThis Cal Hypo based formula is compatible with all pool types, including vinyl-lined pools and saltwater systems\u003c\/li\u003e\n\u003cli\u003eVisible blue action provides a built-in indicator so you can see it is actively working as it circulates\u003c\/li\u003e\n\u003cli\u003ePair with HTH 6-Way Test Strips for regular water testing and balancing, ideally twice weekly\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003ePractical tips for best results\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDissolve the powder in a bucket of water before adding it to the pool, distributing it evenly around the perimeter\u003c\/li\u003e\n\u003cli\u003eBackwash or clean filters as needed and allow the pool circulation to run for several hours after dosing\u003c\/li\u003e\n\u003cli\u003eFollow label directions for dosage based on pool volume and current chemistry, then retest and adjust as necessary\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eReal-world use scenarios\u003c\/p\u003e\u003cp\u003eWhen the weather warms and families gather, this shock treatment can help restore clarity after heavy sun exposure, sunscreen residues, and routine use. The product's blue indicator helps you gauge whether dosing has begun, while the absence of cyanuric acid addition keeps the pool chemistry more responsive to changes in temperature and chlorination needs.\u003c\/p\u003e\u003cp\u003eBy incorporating regular shock cycles with your routine maintenance, you can keep water looking and feeling more inviting without overcomplicating your schedule.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is HTH 52040B Swimming Pool Care Shock Ultra used for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Cal Hypo-based formula raises chlorine levels to sanitize, helps curb algae and bacteria, and supports clearer water when used as directed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is HTH 52040B suitable for all pool types?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It works with vinyl-lined and saltwater systems; pair with HTH test strips and follow dosing directions for best results.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"HTH","offers":[{"title":"Default Title","offer_id":48213398225140,"sku":"B09R81TQBS","price":67.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/6652\/0820\/files\/hth-52040b-swimming-pool-shock-ultra-bottle-pour.jpg?v=1778471338","url":"https:\/\/www.cerapatiogarden.com\/products\/hth-52040b-swimming-pool-care-shock-ultra-cal-hypo-formula-1-lb-6-pack","provider":"Cera Garden","version":"1.0","type":"link"}