{"product_id":"hth-plus-granule-cal-shock-25-lb","title":"HTH Plus Granule Cal-Shock 25 lb","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eHTH Plus Granule Cal-Shock 25 lb\u003c\/strong\u003e delivers rapid, effective pool sanitation with a calcium-hypochlorite shock formula designed for busy pool owners who want fast results without guesswork.\u003c\/p\u003e \u003cp\u003ePart of the trusted HTH Plus line, this 25-pound granule package provides a dependable, easy-to-use solution for restoring sparkling clarity after heavy usage, storms, or algae concerns. The granular Cal-Shock disperses quickly in pool water, delivering an immediate boost to available chlorine to oxidize contaminants and keep your pool inviting and safe.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast-acting granular formula\u003c\/strong\u003e: Boosts sanitizer levels quickly to recover from heavy swimmer load, debris, or weather events.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCalcium-based shock\u003c\/strong\u003e: Helps maintain calcium hardness balance while sanitizing, supporting stable water chemistry.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEasy application\u003c\/strong\u003e: Broadcast the granules as the circulation system runs for even distribution and effective dissolution.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile use\u003c\/strong\u003e: Ideal for routine shocks and after water quality issues—clear results without guesswork.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTrusted brand\u003c\/strong\u003e: From HTH, a long-standing name in pool care, with a product clearly labeled as Cal-Shock under the Plus sub-brand.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eNote: Always follow the label directions for dosage based on your pool size and current chlorine levels. After shocking, re-test water and adjust to bring sanitizer levels back to safe, comfortable swimming ranges.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Hth","offers":[{"title":"Default Title","offer_id":52274878742802,"sku":"8136552","price":169.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/8136552_A.eps_High.jpg?v=1778869743","url":"https:\/\/nationalhardwaregroup.com\/products\/hth-plus-granule-cal-shock-25-lb","provider":"National Hardware Group","version":"1.0","type":"link"}