--- product_id: 1614851 title: "Pool Shock - 68% Cal-Hypo Granular Sanitizer - 12 x 1 Pound" brand: "in the swim" price: "¥37955" currency: JPY in_stock: true category: "In The Swim" url: https://www.desertcart.jp/products/1614851-pool-shock-68-cal-hypo-granular-sanitizer-12-x-1 store_origin: JP region: Japan --- # 68% Cal-Hypo fast-acting shock 65% available chlorine for crystal-clear water Safe for above & in-ground pools, spas, hot tubs Pool Shock - 68% Cal-Hypo Granular Sanitizer - 12 x 1 Pound **Brand:** in the swim **Price:** ¥37955 **Availability:** ✅ In Stock ## Summary > 💦 Shock your pool, stun your guests—because clear water is the new status symbol! ## Quick Answers - **What is this?** Pool Shock - 68% Cal-Hypo Granular Sanitizer - 12 x 1 Pound by in the swim - **How much does it cost?** ¥37955 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/1614851-pool-shock-68-cal-hypo-granular-sanitizer-12-x-1) ## Best For - in the swim enthusiasts ## Why This Product - Trusted in the swim brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **High-Chlorine Punch:** 65% available chlorine delivers unbeatable sanitization and bacteria defense. - • **Versatile Pool Power:** Perfectly formulated for all pool types—above ground, in-ground, spas, and hot tubs. - • **Effortless Application:** Granular formula dissolves quickly—just spread and brush for instant results. - • **Rapid Algae Annihilation:** Shock your pool into pristine clarity with fast-acting calcium hypochlorite. - • **Consistent Crystal Clarity:** Maintain ideal 5-10 ppm chlorine levels with easy weekly dosing. ## Overview In The Swim Pool Shock is a premium 68% calcium hypochlorite granular sanitizer designed for rapid algae control and powerful bacteria elimination. Suitable for all pool types, it delivers 65% available chlorine to maintain crystal-clear, safe water with easy weekly dosing and application. ## Description desertcart.com : In The Swim Pool Shock - 68% Cal-Hypo Granular Sanitizer - 12 x 1 Pound | Powerful Pool Shock for In-Ground and Above Ground Pools - Defends Against Bacteria, Algae, and Microorganisms : Pool Shock Packets : Patio, Lawn & Garden ## Features - Fast-Acting Algae Control: Calcium Hypochlorite (Cal-Hypo) is an effective non-stabilized chlorine shock treatment, ideal for routine maintenance in your swimming pool - Versatile Use: Suitable for above ground or in-ground swimming pools, spas, and hot tubs; Pre-dissolve or dilute to avoid bleaching the liner - High Chlorine Content: 65% available chlorine, provides powerful sanitization for crystal-clear water - Easy Application: Pre-dissolve or dilute to avoid bleaching swimming pool liners; Spread granules in the deepest part of the pool; Brush if needed - Dosage: Use 1 Pound per 10,000 gallons weekly to maintain 5-10 ppm chlorine levels ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B002WKQ3IE | | Best Sellers Rank | #153 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #8 in Swimming Pool Chlorine | | Brand Name | In The Swim | | Customer Reviews | 4.6 4.6 out of 5 stars (16,238) | | Item Form | Granular | | Item Weight | 13.1 pounds | | Manufacturer | In The Swim Discount Pool Supplies | | Manufacturer Part Number | 25235 12X1 | | Model Number | 25235 12X1 | | Number of Items | 12 | | Number of Packs | 12 | | Product Benefits | Kills Bacteria, Maintains Clean Sanitized Water | | Unit Count | 192 Ounce | ## Product Details - **Brand:** In The Swim - **Item Form:** Granular - **Item Weight:** 13.1 pounds - **Number of Packs:** 12 - **Product Benefits:** Kills Bacteria, Maintains Clean Sanitized Water ## Images ![Pool Shock - 68% Cal-Hypo Granular Sanitizer - 12 x 1 Pound - Image 1](https://m.media-amazon.com/images/I/71F49S1omNL.jpg) ![Pool Shock - 68% Cal-Hypo Granular Sanitizer - 12 x 1 Pound - Image 2](https://m.media-amazon.com/images/I/81-thiQX4eL.jpg) ![Pool Shock - 68% Cal-Hypo Granular Sanitizer - 12 x 1 Pound - Image 3](https://m.media-amazon.com/images/I/91Kefe0gpKL.jpg) ![Pool Shock - 68% Cal-Hypo Granular Sanitizer - 12 x 1 Pound - Image 4](https://m.media-amazon.com/images/I/81xplQpE3bL.jpg) ![Pool Shock - 68% Cal-Hypo Granular Sanitizer - 12 x 1 Pound - Image 5](https://m.media-amazon.com/images/I/81nA1EXT84L.jpg) ## Available Options This product comes in different **Size, Style** options. ## Frequently Bought Together - In The Swim Pool Shock – 68% Cal-Hypo Granular Sanitizer for Crystal Clear Water – Defends Against Bacteria, Algae, and Microorganisms - 12 X 1 Pound - In The Swim 3 Inch Stabilized Chlorine Tablets for Sanitizing Swimming Pools - Individually Wrapped, Slow Dissolving - 90% Available Chlorine - Tri-Chlor - 10 Pounds - Clorox® Pool&Spa™ Swimming Pool Algaecide and Clarifier, Prevents and Treats Pool Algae, Clears Water, 128 Fl Oz (Pack of 1) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/1614851-pool-shock-68-cal-hypo-granular-sanitizer-12-x-1](https://www.desertcart.jp/products/1614851-pool-shock-68-cal-hypo-granular-sanitizer-12-x-1) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-08-21*