--- product_id: 724940686 title: "HTH 52031 Swimming Pool Care Shock, Swimming Pool Chlorinator Boosts Chlorine Levels, Cal Hypo Formula, 13.3oz" brand: "hth" price: "FREE" currency: SGD in_stock: false url: https://www.desertcart.sg/products/724940686-hth-52031-swimming-pool-care-shock-swimming-pool-chlorinator-boosts store_origin: SG region: Singapore --- # Fast-acting shock treatment Compatible with all pool types Prevents chlorine lock, no CYA buildup HTH 52031 Swimming Pool Care Shock, Swimming Pool Chlorinator Boosts Chlorine Levels, Cal Hypo Formula, 13.3oz **Brand:** hth **Price:** FREE **Availability:** ❌ Out of Stock ## Summary > 💦 Shock your pool into sparkling perfection—because clear water is the new status symbol! ## Quick Answers - **What is this?** HTH 52031 Swimming Pool Care Shock, Swimming Pool Chlorinator Boosts Chlorine Levels, Cal Hypo Formula, 13.3oz by hth - **How much does it cost?** FREE with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/724940686-hth-52031-swimming-pool-care-shock-swimming-pool-chlorinator-boosts) ## 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 - • **Weekly Pool Wellness:** Simple weekly dosing keeps bacteria and algae at bay for crystal-clear water - • **Test & Balance Like a Pro:** Pair with HTH 6-Way Test Strips for precision water chemistry control - • **Shock Your Pool to Sparkle:** Fast-dissolving Cal Hypo formula clears 90% of water issues within 24 hours - • **Universal Pool Compatibility:** Safe for vinyl-lined, saltwater, and all pool types—no pool left behind - • **Chlorine Power Without Overstabilization:** Sanitizes without cyanuric acid to avoid chlorine lock and keep water fresh ## Overview HTH 52031 Swimming Pool Care Shock is a fast-acting, Cal Hypo based pool sanitizer that eliminates 90% of common water problems within 24 hours. Compatible with all pool types including vinyl-lined and saltwater pools, it prevents chlorine lock by avoiding cyanuric acid buildup. Designed for weekly use, it keeps your pool crystal clear and bacteria-free when combined with regular water testing. ## Description Product Description The HTH Multi-Use Shock Treatment is the perfect solution for keeping your swimming pool water sparkling clean. This convenient product shock treats, sanitizes, clarifies, and helps prevent bacteria and algae in your pool water. Its Cal Hypo based formula is fast-acting and fast-dissolving, solving 90% of pool water problems within 24 hours. The formula sanitizes without adding cyanuric acid (CYA) to prevent overstabilization or chlorine lock, creating a visibly brilliant sparkle. It's compatible with all pool types, including vinyl-lined pools and saltwater systems. For best results, combine with HTH 6-Way Test Strips to test and balance your pool water twice weekly. Keep your pool water crystal clear with HTH Multi-Use Shock Treatment. Ingredients Chlorine Tabs P.when('A').execute(function(A) { A.on('a:expander:toggle_description:toggle:collapse', function(data) { window.scroll(0, data.expander.$expander[0].offsetTop-100); }); }); Directions For best results, use HTH 52031 Swimming Pool Care Shock weekly. Add the recommended dosage based on your pool size directly to the pool water. Combine with HTH 6-Way Test Strips to test and balance your pool water twice weekly. Safety Warning For external use only. Avoid contact with eyes. See more ## Features - Causes severe skin burns and eye damage. - Harmful if swallowed. - May cause respiratory irritation. - May intensify fire; oxidiser. - Toxic if inhaled. - Use biocides safely. Always read the label and product information before use. - 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 | B09R841BDQ | | Benefits | pevents bacteria and algae | | Best Sellers Rank | 460,712 in Garden ( See Top 100 in Garden ) 1,590 in Chlorine | | Brand Name | HTH | | Customer Reviews | 4.7 4.7 out of 5 stars (19,204) | | Included Components | HTH 52031 Swimming Pool Care Shock | | Item Form | Powder | | Item Type Name | Swimming Pool Chlorinator Boosts Chlorine Levels, Cal Hypo Formula | | Item Weight | 13.3 Ounces | | Manufacturer | Innovative Water Care | | Manufacturer Part Number | 52031 | | Model Number | 52031 | | Number of Items | 1 | | UPC | 073187520319 | | Unit Count | 13.3 gram | ## Product Details - **Brand:** HTH - **Item form:** Powder - **Item weight:** 13.3 Ounces - **Product benefits:** pevents bacteria and algae - **UPC:** 073187520319 ## Images ![HTH 52031 Swimming Pool Care Shock, Swimming Pool Chlorinator Boosts Chlorine Levels, Cal Hypo Formula, 13.3oz - Image 1](https://m.media-amazon.com/images/I/717mEgTJD-L.jpg) ![HTH 52031 Swimming Pool Care Shock, Swimming Pool Chlorinator Boosts Chlorine Levels, Cal Hypo Formula, 13.3oz - Image 2](https://m.media-amazon.com/images/I/41QSRCjxZ7L.jpg) ![HTH 52031 Swimming Pool Care Shock, Swimming Pool Chlorinator Boosts Chlorine Levels, Cal Hypo Formula, 13.3oz - Image 3](https://m.media-amazon.com/images/I/41k1efA-9zL.jpg) ![HTH 52031 Swimming Pool Care Shock, Swimming Pool Chlorinator Boosts Chlorine Levels, Cal Hypo Formula, 13.3oz - Image 4](https://m.media-amazon.com/images/I/418J95w-iRL.jpg) ![HTH 52031 Swimming Pool Care Shock, Swimming Pool Chlorinator Boosts Chlorine Levels, Cal Hypo Formula, 13.3oz - Image 5](https://m.media-amazon.com/images/I/51q+Utz4IHL.jpg) ## Available Options This product comes in different **Size, Style** options. ## Questions & Answers **Q: How much of this bag do I put in a 1100 gallon pool?** A: This product is intended for a single use in larger volume pools (10,000-12,000 gallons). It cannot be re-closed so it is not recommended for your pool. For your sized pool, please look for shock in a resealable container. You will find the HTH Pool Care Shock in 1.5 or 5 pound containers that you can take out the 1-2 ounces that you will need for your sized pool. If you have any questions about these products, feel free to contact our Consumer Engagement Team at 866-484-7665. **Q: How long do you have to wait after using this shock, to be able to swim?** A: In general the rule is to wait 1 hour per pound of granular product that is added to give the product time to circulate. When adding Shock or Chlorine, also please test your water to ensure that the chlorine level is between 1-4 ppm for safe swimming. When you have other questions, feel free to give us a call at 866-484-7665. ## Frequently Bought Together - HTH 52031 Swimming Pool Care Shock, Swimming Pool Chlorinator Boosts Chlorine Levels, Cal Hypo Formula, 13.3oz (1 Pack) - HTH 42049 Pool Care 1" Chlorine Tabs, Swimming Pool Sanitizer with Added Clarifier - Eliminates Bacteria & Algae, Makes Water Clean & Crystal Clear, Sanitizes & Protects - Slow Dissolving, 1.5 lbs - EASYTEST 7-Way Pool Test Strips, 150 Strips Water Chemical Testing for Hot tub and Spa, Accurate Test Bromine, Total Alkalinity, pH, Free Chlorine, Total Hardness, Cyanuric Acid, and Total Chlorine --- ## 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.sg/products/724940686-hth-52031-swimming-pool-care-shock-swimming-pool-chlorinator-boosts](https://www.desertcart.sg/products/724940686-hth-52031-swimming-pool-care-shock-swimming-pool-chlorinator-boosts) --- *Product available on Desertcart Singapore* *Store origin: SG* *Last updated: 2026-09-27*