{"product_id":"ecoone-one-shock-granular-chlorine-hot-tub-shock-2-lb-55-chlorine-fast-dissolving-granules","title":"ecoone One Shock Granular Chlorine Hot Tub Shock — 2 lb, 55% Chlorine Fast-Dissolving Granules","description":"\u003cp\u003e\u003cstrong\u003eOne Shock Granular by EcoOne is a self-dissolving chlorine shock and cleaner that simplifies hot tub sanitation with a 55% chlorine active formula.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for both weekly shock treatments and routine sanitizing, EcoOne One Shock Granular combines a concentrated active ingredient—sodium dichloro-triazinetrione dihydrate (55% available chlorine)—into an easy-to-use, fast-dissolving granule. Packaged in a 2 lb container, it works in spas and hot tubs to help maintain clear water while keeping dosing straightforward for homeowners and service pros alike.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I use One Shock Granular to shock my hot tub?\u003c\/h3\u003e\n\u003cp\u003eShock treatment is simple: add measured granules directly to circulating spa water. For a weekly shock, the recommended dose is 1 ounce per 500 gallons to raise available chlorine into a short-lived sanitation range; smaller daily maintenance doses are also provided.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAdd 1 oz per 500 gallons for weekly shock (target 1–2 ppm available chlorine).\u003c\/li\u003e\n  \u003cli\u003eFor daily sanitation, add 1\/4 to 1\/8 oz per 500 gallons as needed.\u003c\/li\u003e\n  \u003cli\u003eEnsure the pump is running and allow granules to fully dissolve before soaking.\u003c\/li\u003e\n  \u003cli\u003eStore container sealed and dry between uses to preserve potency.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this product safe for sensitive skin and hair?\u003c\/h3\u003e\n\u003cp\u003eEcoOne formulates One Shock Granular to include only the essential active components for effective spa sanitation, minimizing unnecessary additives. While it’s intended to be gentler than some harsher shock compounds, users should always follow dosing guidance and rinse off after spa use if they have known sensitivities.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFormulated to reduce unnecessary extra ingredients.\u003c\/li\u003e\n  \u003cli\u003eAvoid direct contact with undiluted granules; always dissolve first.\u003c\/li\u003e\n  \u003cli\u003eRinse after bathing if you have sensitive skin or hair concerns.\u003c\/li\u003e\n  \u003cli\u003eTest water before re-entering to confirm chlorine levels are safe.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill One Shock Granular affect my hot tub balance or equipment?\u003c\/h3\u003e\n\u003cp\u003eThe active ingredient—sodium dichloro-triazinetrione dihydrate—dissolves cleanly and is compatible with common spa materials and filtration systems when used as directed. Routine water testing and balancing still matter: shock treatments address sanitizer levels, but pH, alkalinity, and calcium hardness should be monitored separately.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDissolves without heavy residues when used at recommended rates.\u003c\/li\u003e\n  \u003cli\u003eCompatible with most filters, covers, and spa surfaces under normal use.\u003c\/li\u003e\n  \u003cli\u003eComplement with pH and alkalinity adjustments for optimal performance.\u003c\/li\u003e\n  \u003cli\u003eFollow manufacturer care instructions for equipment longevity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow concentrated is this shock and how much comes in the package?\u003c\/h3\u003e\n\u003cp\u003eEach 2 lb container of One Shock Granular contains a chlorine-releasing compound with 55% available chlorine by weight. This concentration delivers effective oxidation and sanitation power in a compact package suited for regular hot tub maintenance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eActive ingredient: sodium dichloro-triazinetrione dihydrate — 55% available chlorine.\u003c\/li\u003e\n  \u003cli\u003ePack size: 2 pounds, convenient for home spa use.\u003c\/li\u003e\n  \u003cli\u003eHigh concentration means smaller doses achieve target chlorine levels.\u003c\/li\u003e\n  \u003cli\u003eKeep container sealed and stored in a cool, dry place to retain strength.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? One Shock Granular by EcoOne is tailored to hot tub owners, property managers, and pool technicians who want a straightforward, effective chlorine shock that dissolves easily and integrates with routine spa care. It suits people maintaining residential spas who prefer measured dosing, as well as busy users who want a low-fuss solution for weekly oxidation and daily sanitation support. Always follow label directions and local safety guidance when handling and applying chemical treatments.\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: How much One Shock should I use for a typical 500-gallon spa?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Use 1 oz for a weekly shock (1–2 ppm) or 1\/4–1\/8 oz daily for maintenance per 500 gallons.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I add One Shock directly to the water while people are in the spa?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. Add while the spa is unoccupied and circulating, and wait until chlorine levels return to safe ranges.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ecoone","offers":[{"title":"Default Title","offer_id":56831449137492,"sku":"B0D6SZ1F4W","price":51.89,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/ecoone-one-shock-front-label.jpg?v=1787016370","url":"https:\/\/gardenluxe.co.uk\/products\/ecoone-one-shock-granular-chlorine-hot-tub-shock-2-lb-55-chlorine-fast-dissolving-granules","provider":"Gardenluxe Uk","version":"1.0","type":"link"}