--- product_id: 12453145 title: "DryTec 1-1901 Calcium Hypochlorite Pool Shock, 1-Pound" brand: "drytec" price: "235 Lei" currency: RON in_stock: true category: "Dry Tec" url: https://www.desertcart.ro/products/12453145-drytec-1-1901-calcium-hypochlorite-pool-shock-1-pound store_origin: RO region: Romania --- # 1 bag treats 10,000 gallons 68% Calcium Hypochlorite purity 5-10 ppm available chlorine DryTec 1-1901 Calcium Hypochlorite Pool Shock, 1-Pound **Brand:** drytec **Price:** 235 Lei **Availability:** βœ… In Stock ## Summary > πŸ’§ Shock your pool into perfection β€” because clear water is the new status symbol! ## Quick Answers - **What is this?** DryTec 1-1901 Calcium Hypochlorite Pool Shock, 1-Pound by drytec - **How much does it cost?** 235 Lei with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/12453145-drytec-1-1901-calcium-hypochlorite-pool-shock-1-pound) ## 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 - β€’ **Powerful Purity:** 68% calcium hypochlorite ensures rapid and effective pool sanitation. - β€’ **Precision Dosage:** One 1-pound bag treats up to 10,000 gallons for hassle-free maintenance. - β€’ **Routine & Shock Ready:** Perfect for weekly shock treatments to prevent algae and bacteria buildup. - β€’ **Optimal Chlorine Levels:** Delivers 5 to 10 ppm available chlorine to keep your pool crystal clear. - β€’ **Balanced Water Chemistry:** Maintains pH between 7.2-7.6 and alkalinity 60-120 for swimmer comfort. ## Overview DryTec 1-1901 Calcium Hypochlorite Pool Shock is a premium granular sanitizer with 68% active ingredient, designed to treat 10,000 gallons of pool water per 1-pound bag. It maintains ideal pH and alkalinity levels while delivering 5-10 ppm chlorine for effective algae and bacteria control. Trusted by thousands, it’s your go-to for routine and shock treatments that keep your pool sparkling clean and swim-ready. ## 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. ## 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 | B009S85LEA | | Best Sellers Rank | #2,463 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #44 in Swimming Pool Chlorine | | Brand Name | DryTec | | Customer Reviews | 4.6 4.6 out of 5 stars (727) | | Item Form | Granular | | Item Type Name | Pool Shock | | Item Weight | 16 ounces | | Manufacturer | Robelle Industries | | Manufacturer Part Number | 23209 | | Model Number | 1-1901 | | Number of Items | 24 | | Package Size Name | 1-Pack | | Product Benefits | Controls Algae, Kills Bacteria, Maintains Clean Sanitized Water | | UPC | 073187000187 073187232090 | | Unit Count | 16.0 Ounce | ## Product Details - **Brand:** DryTec - **Item Form:** Granular - **Item Weight:** 16 ounces - **Product Benefits:** Controls Algae, Kills Bacteria, Maintains Clean Sanitized Water - **UPC:** 073187000187 073187232090 ## Images ![DryTec 1-1901 Calcium Hypochlorite Pool Shock, 1-Pound - Image 1](https://m.media-amazon.com/images/I/71NKHt2yLNL.jpg) ## Available Options This product comes in different **Size** options. ## Frequently Bought Together - DryTec 1-1901 Calcium Hypochlorite Pool Shock, 1-Pound - Potable Aqua Water Purification Tablets with PA Plus, Portable and Effective Solution for Camping, Hiking, Emergencies, Natural Disasters and International Travel, Two 50ct Bottles - Reliance Products Aqua-Tainer 7 Gallon Rigid Water Container, Blue , 11.3 Inch x 11.0 Inch x 15.3 Inch --- ## 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.ro/products/12453145-drytec-1-1901-calcium-hypochlorite-pool-shock-1-pound](https://www.desertcart.ro/products/12453145-drytec-1-1901-calcium-hypochlorite-pool-shock-1-pound) --- *Product available on Desertcart Romania* *Store origin: RO* *Last updated: 2026-07-08*