--- product_id: 550631445 title: "HTH Pool Shock, Cal Hypo Formula, 13.3oz, Pack of 2 | Swimming Pool Care | Chlorinator | Boosts Chlorine Levels" brand: "hth" price: "€ 37.03" currency: EUR in_stock: true category: "Hth" url: https://www.desertcart.be/products/550631445-hth-pool-shock-cal-hypo-formula-13-3oz-pack-2 store_origin: BE region: Belgium --- # Fast-acting shock treatment Dissolves quickly for instant clarity Prevents bacteria & algae growth HTH Pool Shock, Cal Hypo Formula, 13.3oz, Pack of 2 | Swimming Pool Care | Chlorinator | Boosts Chlorine Levels **Brand:** hth **Price:** € 37.03 **Availability:** βœ… In Stock ## Summary > πŸ’¦ Shock your pool, stun your guests β€” sparkle like a pro! ## Quick Answers - **What is this?** HTH Pool Shock, Cal Hypo Formula, 13.3oz, Pack of 2 | Swimming Pool Care | Chlorinator | Boosts Chlorine Levels by hth - **How much does it cost?** € 37.03 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/550631445-hth-pool-shock-cal-hypo-formula-13-3oz-pack-2) ## Best For - hth enthusiasts ## Why This Product - Trusted hth brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Test, Treat, Triumph:** Pair with HTH 6-Way Test Strips for perfect water balance twice weekly πŸ“Š - β€’ **Crystal Clear Every Time:** Dissolves rapidly to deliver a brilliant sparkle without chlorine lock πŸ’§ - β€’ **Safe for Every Pool Type:** Compatible with vinyl, saltwater, and all pool systems for universal peace of mind πŸŠβ€β™‚οΈ - β€’ **No More Overstabilization:** Cal Hypo formula sanitizes without adding cyanuric acid, avoiding chlorine lock πŸ›‘οΈ - β€’ **Shock Your Pool to Perfection:** Fast-acting Cal Hypo formula clears 90% of water issues within 24 hours ⚑ ## Overview HTH Pool Shock Cal Hypo Formula is a fast-acting, easy-to-use pool chlorinator that sanitizes, clarifies, and prevents bacteria and algae. This 13.3oz pack of 2 is compatible with all pool types, dissolves quickly without adding cyanuric acid, and solves 90% of pool water problems within 24 hours, ensuring your pool stays crystal clear and safe. ## Description desertcart.com: HTH Pool Shock, Cal Hypo Formula, 13.3oz, Pack of 2 | Swimming Pool Care | Chlorinator | Boosts Chlorine Levels : Toys & Games ## Features - The information below is per-pack only - BENEFIT: Shock treat, sanitize, clarify, and help prevent bacteria and algae in your swimming pool water, all with this convenient, easy-to-use product - FEATURES: Multi-use pool shock with Cal Hypo; Use weekly to solve 90% of pool water problems within 24 hours; Fast-acting and fast-dissolving - VISIBLY BRILLIANT SPARKLE: This Cal Hypo based formula sanitizes without adding cyanuric acid (CYA) to prevent overstabilization or chlorine lock - COMPATIBLE WITH ALL SWIMMING 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 with HTH 6-Way Test Strips to test and balance your swimming pool water twice weekly ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CF2V7ZBL | | Best Sellers Rank | #19 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #2 in Swimming Pool Chlorine | | Brand Name | HTH | | Customer Reviews | 4.8 4.8 out of 5 stars (4,121) | | Item Form | Powder | | Item Type Name | Swimming Pool Chlorinator Boosts Chlorine Levels, Cal Hypo Formula | | Item Weight | 26.6 Ounces | | Manufacturer | Innovative Water Care | | Manufacturer Part Number | 52031 | | Model Number | 52031 | | Number of Items | 2 | | Product Benefits | pevents bacteria and algae | | Unit Count | 26.6 Ounce | ## Product Details - **Brand:** HTH - **Item Form:** Powder - **Item Weight:** 26.6 Ounces - **Number of Items:** 2 - **Product Benefits:** pevents bacteria and algae ## Images ![HTH Pool Shock, Cal Hypo Formula, 13.3oz, Pack of 2 | Swimming Pool Care | Chlorinator | Boosts Chlorine Levels - Image 1](https://m.media-amazon.com/images/I/81F8YlXmmYL.jpg) ## Available Options This product comes in different **Size, Style** options. ## Frequently Bought Together - HTH 52031 Swimming Pool Care Shock, Swimming Pool Chlorinator Boosts Chlorine Levels, Cal Hypo Formula, 13.3oz (Pack of 2) - HTH 67084 Pool Care Algae Guard Advanced, All Algae Eliminator for Swimming Pools - Fast-Acting, Destroys & Prevents Green, Black & Mustard Algae, Keeps Pool Water Crystal Clear, 32 fl oz --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.be/products/550631445-hth-pool-shock-cal-hypo-formula-13-3oz-pack-2](https://www.desertcart.be/products/550631445-hth-pool-shock-cal-hypo-formula-13-3oz-pack-2) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-07-21*