--- product_id: 442536874 title: "HTH 52035 Swimming Pool Care Shock Advanced, Swimming Pool Chemical, Cal Hypo Formula, 1lb" brand: "hth" price: "21218CFA" currency: XOF in_stock: true category: "Hth" url: https://www.desertcart.sn/products/442536874-hth-52035-swimming-pool-care-shock-advanced-swimming-pool-chemical store_origin: SN region: Senegal --- # Fast-dissolving 4-in-1 formula Cal Hypo formula prevents chlorine lock Kills 90% bacteria & algae in 24h HTH 52035 Swimming Pool Care Shock Advanced, Swimming Pool Chemical, Cal Hypo Formula, 1lb **Brand:** hth **Price:** 21218CFA **Availability:** ✅ In Stock ## Summary > 💦 Shock your pool into crystal clarity and join the elite swim-ready crowd! ## Quick Answers - **What is this?** HTH 52035 Swimming Pool Care Shock Advanced, Swimming Pool Chemical, Cal Hypo Formula, 1lb by hth - **How much does it cost?** 21218CFA with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/442536874-hth-52035-swimming-pool-care-shock-advanced-swimming-pool-chemical) ## 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 - • **All-in-One Power:** Kills bacteria, algae, reduces chlorine odor & irritation in a single weekly treatment. - • **Smart Sanitizing:** Cal Hypo formula sanitizes without cyanuric acid buildup—no chlorine lock, no overstabilization. - • **Data-Driven Pool Health:** Pair with HTH 6-Way Test Strips for precision water balance and ultimate swim readiness. - • **Universal Compatibility:** Safe for all pool types including vinyl-lined and saltwater systems—pool care made effortless. - • **Crystal Clear Confidence:** Restores sparkling pool clarity fast—perfect for your weekend cannonballs. ## Overview HTH 52035 Swimming Pool Care Shock Advanced is a fast-acting, 4-in-1 Cal Hypo formula that kills bacteria and algae, reduces chlorine odor and irritation, and restores crystal-clear water within 24 hours. Compatible with all pool types, it prevents chlorine lock by avoiding cyanuric acid buildup. Ideal for weekly use and optimized when combined with HTH 6-Way Test Strips for precise water balance. ## Description The HTH 4-in-1 Shock Treatment is the ultimate solution for crystal clear pool water. This fast-dissolving formula kills bacteria and algae, reduces chlorine odor and irritation, and quickly restores crystal clarity. With its multi-functional shock treatment for weekly use, you can easily solve 90% of pool water problems within 24 hours. The Cal Hypo based formula sanitizes without adding cyanuric acid (CYA), which prevents overstabilization or chlorine lock. This product is suitable for all including-lined saltwater systems. For the best results, use the HTH 6-Way Test Strips to test and balance your swimming pool water twice weekly. Stay all clear for cannonballs with HTH 4-in-1 Shock Treatment! ## Features - BENEFITS: Stay all clear for cannonballs; This fast-dissolving, convenient 4-in-1 formula kills bacteria and algae, reduces chlorine odor and irritation, and quickly restores crystal clarity - FEATURES: Multi-functional shock treatment for weekly use to solve 90% of pool water problems within 24 hours and restore crystal clarity - 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 | B09R82J2P8 | | Best Sellers Rank | #1,036 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #25 in Swimming Pool Chlorine | | Brand Name | HTH | | Customer Reviews | 4.7 4.7 out of 5 stars (1,859) | | Included Components | HTH 52035 Swimming Pool Care Shock Advanced, Swimming Pool Chemical, Cal Hypo Formula, 1lb | | Item Form | Powder | | Item Type Name | Swimming Pool Chemical Prevents Bacteria & Algae, Cal Hypo Formula | | Item Weight | 16 ounces | | Manufacturer | Innovative Water Care | | Manufacturer Part Number | 52035 | | Manufacturer Warranty Description | Warranty | | Model Number | 52035 | | Number of Items | 1 | | Product Benefits | Sanitizes,Prevents Bacteria,Kills Bacteria | | UPC | 073187520357 | | Unit Count | 16 Ounce | ## Product Details - **Brand:** HTH - **Item Form:** Powder - **Item Weight:** 16 ounces - **Product Benefits:** Sanitizes,Prevents Bacteria,Kills Bacteria - **UPC:** 073187520357 ## Images ![HTH 52035 Swimming Pool Care Shock Advanced, Swimming Pool Chemical, Cal Hypo Formula, 1lb - Image 1](https://m.media-amazon.com/images/I/71m6jfN1BhL.jpg) ![HTH 52035 Swimming Pool Care Shock Advanced, Swimming Pool Chemical, Cal Hypo Formula, 1lb - Image 2](https://m.media-amazon.com/images/I/81D52i65XoL.jpg) ![HTH 52035 Swimming Pool Care Shock Advanced, Swimming Pool Chemical, Cal Hypo Formula, 1lb - Image 3](https://m.media-amazon.com/images/I/71sX3WORZLL.jpg) ![HTH 52035 Swimming Pool Care Shock Advanced, Swimming Pool Chemical, Cal Hypo Formula, 1lb - Image 4](https://m.media-amazon.com/images/I/81v6v8TEYIL.jpg) ![HTH 52035 Swimming Pool Care Shock Advanced, Swimming Pool Chemical, Cal Hypo Formula, 1lb - Image 5](https://m.media-amazon.com/images/I/71LjEduYYHL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: how many gallons does this treat?** A: There is actually 6 individual bags in this big bag. We use 2 of the smaller bags in our pool at one time. We have a 24ft round pool and it’s 4.5 foot deep. But not sure on the gallons. Hope that helps. **Q: Is it safe to use in a spa (as long as I measure accordingly)?** A: Yes **Q: Why won't this ship to my address?** A: It did ship to my home contact the seller. I have had not problem with pool supplys shipped to my home. **Q: Is it for in ground pools?** A: It can be used for above or in ground pools ## Frequently Bought Together - HTH 52035 Swimming Pool Care Shock Advanced, Swimming Pool Chemical, Cal Hypo Formula, 1lb - 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.sn/products/442536874-hth-52035-swimming-pool-care-shock-advanced-swimming-pool-chemical](https://www.desertcart.sn/products/442536874-hth-52035-swimming-pool-care-shock-advanced-swimming-pool-chemical) --- *Product available on Desertcart Senegal* *Store origin: SN* *Last updated: 2026-08-01*