DryTec 1-1901-24 Calcium Hypochlorite Chlorine Shock Treatment for Swimming Pools, 1-Pound, 24-Pack
77
Adams Parker
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HOW TO USE: 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 parts per million (ppm). Maintain calcium hardness above 200 ppm. Use a reliable test kit that measures all these ranges. Use our 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” 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 to 7.6. check available chlorine with a suitable test kit. SHOCK TREATMENT/SUPERCHLORINATION: For best results, see “WATER BALANCE” and “HOW TO USE” section above before treatment. 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. STORAGE AND DISPOSAL: Keep this product dry in its tightly closed container when not in use. Store in a cool, dry, well-ventilated area. Keep away from heat or open flame. Nonrefillable container. Do not reuse or refill this container. Rinse empty container thoroughly with water to dissolve all material prior to disposal. Offer for recycling if available. Do not contaminate food or feed by storage or disposal or cleaning of equipment.
Product Specifications
| Product Dimensions | 24 x 12 x 6 inches |
| Item Weight | 24 pounds |
| Manufacturer | Robelle Industries |
| ASIN | B00BGNLUV8 |
| Country of Origin | USA |
| Item model number | 1-1901--24 |
| Is Discontinued By Manufacturer | No |
| Date First Available | January 25, 2013 |
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Product Price History
| Price history for DryTec 1-1901-24 Calcium Hypochlorite Chlorine Shock Treatment for Swimming Pools, 1-Pound, 24-Pack | |
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Best price but a little less active chemical. Earlier this year I bought in the swim calcium hypochlorite, which is about 72%. This product is at 68% but a better deal if you purchased a pack of 24.The packaging is a little weak as two of the 24 were leaking in the box, and it looks like a bad hermetic seal to me.However, other than that, the strength seems to work very well and once you have your chlorine registering even a little bit just 1 pound of shock brought my 23,000 gallon pool up above the 1 to 3 range recommended. That is, unless you’re adding other chemicals at the same time that might bind up that chlorine produced. I would buy this product again for the price it was sold at.
Great pool shock. Great shock at the best price you can find. Great for regular maintenance or clearing up an algae bloom. We opened the pool at our new house and found a dark green pond under the cover. Used 18 pounds of this for the 35,000 gallon pool and it was blue in less than two days.
Works As Well As Pool Store Shock. The longer you own a swimming pool, the more you learn that the markup at swimming pool shops is positively outrageous. They want to sell you all sorts of chemicals (which I admit are necessary in many cases). But their markup is crazy. Several years ago, a pool tech told me to shop around and you can find chemicals that are just as good as the shop variety but at a fraction of the cost. My first time buying DryTec Calcium Hypochlorite Chlorine Shock was at a overstocked retail store. I used it and it worked just as good as the pool store’s “exclusive” brand. Plus the DryTec was 1/3 the cost of the pool store brand. Side-by-side analysis of the pool water chemistry was the same as the pool store’s shock. So why pay a fortune for store brand pool shock when you can find it at a much better deal through Amazon? Plus when I ordered it through Amazon, I got free shipping to my front door. I’ve been using DryTec for three years and it has not disappointed me whatsoever. Give your wallet a break with this brand.
Easy to use and good chlorinator. I bought this to try as I previously used a shcok that was 73% calcium hypochlorite. This being less but was on sale and so decided to try. For the price this is great. I did not notice any difference in water clarity or sanitation. I bought the 24 pack. For the price and since I have a 25,000 gallon pool and use 2-3 per week thtis was a great find. Definitely will buy again.
It works well. Chlorine, along with proper chemical balance is key to a clean pool. Take the time to dissolve this shock in water first and then add to pool. It works well. Most complaints for this products are due to adding directly to pool.