--- product_id: 17607144 title: "1-1901-12 Calcium Hypochlorite Pool Shock, 1-Pound, 12-Pack" brand: "drytec" price: "VT41514" currency: VUV in_stock: true reviews_count: 8 category: "Dry Tec" url: https://www.desertcart.vu/products/17607144-1-1901-12-calcium-hypochlorite-pool-shock-1-pound-12 store_origin: VU region: Vanuatu --- # 5-10 ppm chlorine for lasting clarity 1 bag treats 10,000 gallons 68% Calcium Hypochlorite purity 1-1901-12 Calcium Hypochlorite Pool Shock, 1-Pound, 12-Pack **Brand:** drytec **Price:** VT41514 **Availability:** ✅ In Stock ## Summary > 💧 Shock your pool into perfection — because your summer deserves crystal clarity! ## Quick Answers - **What is this?** 1-1901-12 Calcium Hypochlorite Pool Shock, 1-Pound, 12-Pack by drytec - **How much does it cost?** VT41514 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/17607144-1-1901-12-calcium-hypochlorite-pool-shock-1-pound-12) ## Best For - drytec enthusiasts ## Why This Product - Trusted drytec brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Powerful Purity:** 68% calcium hypochlorite ensures rapid and effective pool sanitation. - • **Precision Dosage:** One bag per 10,000 gallons delivers optimal 5-10 ppm chlorine for crystal-clear water. - • **Balanced Chemistry:** Maintains ideal pH (7.2-7.6) and alkalinity (60-120) for swimmer comfort and pool longevity. - • **Routine Reliability:** Shock treat weekly or as needed to prevent algae, odors, and irritation—stay ahead of pool problems. - • **Effortless Application:** Granular formula disperses evenly when broadcasted, with easy brushing to avoid settling. ## Overview DryTec 1-1901-12 Calcium Hypochlorite Pool Shock is a high-purity granular sanitizer designed to maintain sparkling, healthy pool water. Each 1-pound bag treats up to 10,000 gallons, delivering 5-10 ppm chlorine to destroy bacteria, control algae, and eliminate organic contaminants. Ideal for weekly shock treatments, it supports balanced pH and alkalinity levels, ensuring swimmer comfort and long-lasting pool clarity. ## Description Use entire contents of bag when opened. If any granules settle to the bottom of the pool use brush to disperse. Add the recommended dosage of this product during evening hours while the filter pump is running. When adding this product to your pool, broadcast the product evenly over a wide area in the deepest part of the pool. If any granules settle to the bottom of the pool use brush to disperse. Water Balance: For best product performance, swimmer comfort, and crystal clear water: Maintain pH in the range of 7.2 to 7.6. Maintain total alkalinity in the range of 60 to 120. Maintain calcium hardness above 200 ppm. Use a reliable test kit that measures all these ranges. Use Pool Care Products to make adjustments. Follow label directions for each product. Do not enter pool until the free available chlorine residual is 1- 4 ppm for each of the below noted water treatment applications. OPENING YOUR POOL: For best results, see the Water Balance section above before treatment. Always adjust and maintain pH in the 7.2 to 7.6 range. Follow "SHOCK TREATMENT / SUPERCHLORINATION" directions on this package. Allow 30 minutes for product to disperse. Test free available chlorine residual with a pool test kit. Repeat treatment as needed. ROUTINE CHLORINATION: For best results, see Water Balance section above before treatment. Throughout the pool season, adjust and maintain pH at 7.2-7.6. Check available chlorine with a suitable test kit.SHOCK TREATMENT / SUPERCHLORINATION: Every 7 days, or as necessary to prevent pool problems, shock treat /superchlorinate the pool by adding one bag of this product per 10,000 gallons of water to provide 5 to 10 ppm available chlorine. Additional shock treatments may be required to correct problems which are caused by visible algae, high bathing loads, heavy wind and rainstorms. Additional shock treatments may also be required to correct problems such as unpleasant odors and eye irritation. Check the available chlorine with a suitable test kit. Review: Great value - Great value. Works too Review: desertcart does it again - Great product, excellent customer service ## Features - One bag of this product per 10,000 gallons of water - Adjust and maintain pH at 7.2-7.6 - Maintain total alkalinity in the range of 60 to 120 - One bag of this product per 10,000 gallons of water provides 5 to 10 ppm available chlorine - 68% Calcium Hypochlorite ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00U2NORTU | | Best Sellers Rank | #2,377 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #27 in Swimming Pool Chlorine | | Brand | DryTec | | Brand Name | DryTec | | Customer Reviews | 4.6 out of 5 stars 1,425 Reviews | | Item Form | Granular | | Item Type Name | Pool Shock | | Item Weight | 12 Pounds | | Manufacturer | Dry Tec | | Number of Items | 12 | | Product Benefits | Destroys Organic Contaminants,Kills Bacteria,Controls Algae | | UPC | 034261119010 | | Unit Count | 12.0 Count | ## Product Details - **Brand:** DryTec - **Item Form:** Granular - **Item Weight:** 12 Pounds - **Product Benefits:** Destroys Organic Contaminants,Kills Bacteria,Controls Algae - **UPC:** 034261119010 ## Images ![1-1901-12 Calcium Hypochlorite Pool Shock, 1-Pound, 12-Pack - Image 1](https://m.media-amazon.com/images/I/91QtUsZZDpL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great value *by H***N on January 9, 2026* Great value. Works too ### ⭐⭐⭐⭐⭐ Amazon does it again *by A***R on January 28, 2026* Great product, excellent customer service ### ⭐⭐⭐⭐⭐ Go-To Pool Shock *by L***G on August 28, 2025* My go-to for keeping the pool crystal clear. Doesn’t raise CYA and packs a solid dose of calcium hypochlorite for an effective shock every time. --- ## 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.vu/products/17607144-1-1901-12-calcium-hypochlorite-pool-shock-1-pound-12](https://www.desertcart.vu/products/17607144-1-1901-12-calcium-hypochlorite-pool-shock-1-pound-12) --- *Product available on Desertcart Vanuatu* *Store origin: VU* *Last updated: 2026-05-07*