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Fast-acting calcium hypochlorite Cal-Chlor chlorine granules provide 68% available chlorine for hard-hitting immediate results! Clears cloudy water or dull water appearance.

Multi-purpose - this swimming pool shock works as a strong sanitizer, clarifier, and algicide for clear blue water. Mix before you fix - add this granular powder to a bucket of water before you begin dissolving it in your pool.
Works best at night - maximize performance by adding this shock to your pool at night. Wait to swim 8 to 10 hours after you start the application. Add a 1 lb bag per 10, 000 gallons of pool water for smart maintenance. Trust rx clear to supply reliable chemicals, supplies, and equipment for your above or in ground pool, spa or hot tub.

User friendly control: built-in timer/controller allows you to customize salt system operating times without waiting and frequent settings. The system add the boost mode, prolongs the service life of the titanium cell, save your cost. Save your money: use our salt chlorination system for in ground swimming pool, save your time on not having to buy and store chlorine, you can save a lot of money in chemicals, make your pool maintenance easier and more economical, enjoy crystal-clear water.
Advanced saltwater chlorination: the pool water flows through the saltwater system's electrolytic cell convert the natural salt into pure chlorine, making it safer and more reliable than traditional chemical chlorine. An unparalleled swimming experience: are you still struggling with skin problems caused by chlorine? Use our Westaho saltwater pool system to keep your pool clean and chemical-free, 000 gallons, which providing you a safe, clean and comfortable swimming pool. The led indicator tell you the condition of the pool water and when to add more salt, keep the salt in a nomal operating range.




Clear water for safe swimming - swimming in crystal clear water does not mean your skin has to suffer.
Long lasting - dichlor resists uv light, lasting longer than other types of chlorinating supplies due to built in stabilizer for your swimming pool, hot tub, or spa. Fewer chemicals needed - our dichlor is ph neutral, and disinfectant.

1. NAZHUA
#ad
Calcium Hypochlorite Super Shock 50lb, Zappit 73% Cal Hypo Pool Shock
#adNAZHUA #ad - 70% available chlorine, Pool Shock and Super Chlorinator. 1 lb will provide 2ppm of available chlorine in 40, 000 gallon pool. Kills 99. 9% of bacteria or algae. Fast dissolving granular formula. Pool shock and Super Chlorinator.More information #ad
Brand | NAZHUA #ad |
Manufacturer | Axiall #ad |
Height | 12.8 Inches |
Length | 18.8 Inches |
Weight | 50 Pounds |
Width | 12.8 Inches |
Part Number | W8000560 |
Model | W8000560 |
More information #ad
2. LEISURE POOL & SPA SUPPLY INC. LP
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55 Gallon Drums, Bulk Liquid Chlorine 12.5-15% Sodium Hypochlorite 4
#adLEISURE POOL & SPA SUPPLY INC. LP #ad - Ready to use, no mixing Required - Great Choice for Pool Closings. Perfect for pressure Washing, Sanitation & Other Related Uses. 55852-3. Premium swimming pool shock - NSF/ANSI 60 Certified.More information #ad
Ships ltl common Carrier with Lift-Gate Service. 12. 5% commercial grade strength liquid chlorine - USA Made - EPA Registration No. Product does Not Cloud Pool.Brand | LEISURE POOL & SPA SUPPLY INC. LP #ad |
Manufacturer | Champion Packaging & Distribution #ad |
Height | 48 Inches |
Length | 48 Inches |
Weight | 2450 Pounds |
Width | 40 Inches |
Part Number | 90255 |
Model | 90255 |
More information #ad
3. In The Swim
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In The Swim Calcium Hypochlorite Chlorine Granular Pool Shock, 50 Pound Bucket
#adIn The Swim #ad - Cal-chlor granules can be used in swimming pools, spas and hot tubs. Fast-acting calcium hypochlorite chlorine granules provide 65% minimum available chlorine for hard-hitting immediate results! Note: this item cannot be shipped to Alaska or Hawaii item will be removed from your order.Fast-acting calcium hypochlorite Cal-Chlor chlorine granules provide 68% available chlorine for hard-hitting immediate results! Clears cloudy water or dull water appearance.
More information #ad
Non-stabilized formula is ideal for super shocking or everyday use, contains no cyanuric acid. Must pre-dissolve/dilute to prevent bleaching of the liner.Brand | In The Swim #ad |
Manufacturer | In The Swim #ad |
Height | 13 Inches |
Length | 21 Inches |
Weight | 50 Pounds |
Width | 13 Inches |
Part Number | 25230 |
Model | 25230 |
More information #ad
4. Rx Clear
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Rx Clear Mega Shock | 73% Calcium Hypochlorite | Kills Algae in Swimming Pools | Works As Pool Sanitizer Clarifier and Algicide | One Pound Bags | 24 Pack
#adRx Clear #ad - Beat the green - keep in your swimming pool algae free by adding 2 bags 2 lbs of shock per 14, 000 gallons of pool water. These granules work as an algaecide if your pool needs cleaning, or if you're opening for the season.Multi-purpose - this swimming pool shock works as a strong sanitizer, clarifier, and algicide for clear blue water. Mix before you fix - add this granular powder to a bucket of water before you begin dissolving it in your pool.
More information #ad
The rx clear Mega shock packets are chlorinating essentials. Extra power - due to its high percentage of chlorine, Mega Shock is a very effective treatment for a quick chlorine boost. Works best at night - maximize performance by adding this shock to your pool at night. Wait to swim 8 to 10 hours after you start the application. Add a 1 lb bag per 10, 000 gallons of pool water for smart maintenance. Trust rx clear to supply reliable chemicals, supplies, and equipment for your above or in ground pool, spa or hot tub.
Brand | Rx Clear #ad |
Manufacturer | Rx Clear #ad |
Weight | 1 Pounds |
Part Number | 20406324 |
More information #ad
5. WESTAHO
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Salt Chlorine Generator, Westaho Salt Chlorination System for Inground Pools Up to 35,000 Gallons, IP 66 Waterproof, Keeps Pool Water Clear with Less Maintenance
#adWESTAHO #ad - The system equiped with self-clean mode, you don't need to manually clean the components, and stronger electyrolytic ability. The concentration of salt required is small, less salinity than tears. Easy installation, then the salt is recycled, you can easily install on new and existing pools without any major plumbing changes. Designed for in-ground pools up to 35, IP-66 waterproof.User friendly control: built-in timer/controller allows you to customize salt system operating times without waiting and frequent settings. The system add the boost mode, prolongs the service life of the titanium cell, save your cost. Save your money: use our salt chlorination system for in ground swimming pool, save your time on not having to buy and store chlorine, you can save a lot of money in chemicals, make your pool maintenance easier and more economical, enjoy crystal-clear water.
More information #ad
Warm tips: the working time of the salt chlorine generator needs to be synchronized with the working time of tHE PUMP. Longer service life of titanium cell: compared with other products, our titanium cell has a larger surface, it will automatically switches the poarity every 10 hours, which improves the time and intensity of electrolysis. Advanced saltwater chlorination: the pool water flows through the saltwater system's electrolytic cell convert the natural salt into pure chlorine, making it safer and more reliable than traditional chemical chlorine. An unparalleled swimming experience: are you still struggling with skin problems caused by chlorine? Use our Westaho saltwater pool system to keep your pool clean and chemical-free, 000 gallons, which providing you a safe, clean and comfortable swimming pool. The led indicator tell you the condition of the pool water and when to add more salt, keep the salt in a nomal operating range.
Brand | WESTAHO #ad |
Manufacturer | WESTAHO #ad |
Height | 5 Inches |
Length | 5 Inches |
Width | 5 Inches |
Part Number | HSCG-03 |
Model | HSCG-03 |
More information #ad
6. DryTec
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DryTec 1-1901-24 Calcium Hypochlorite Chlorine Shock Treatment for Swimming Pools, 24-Pack, 1-Pound
#adDryTec #ad - 68% calcium hypochlorite. Fast-acting quick-Dissolving Swimming Pool Sanitizer. Recommended dosage: 1 pound per 10, 000 gallons of water. Kills bacteria, controls algae, and destroys organic contaminants in pools. 24 bags 1-pound each.More information #ad
Brand | DryTec #ad |
Manufacturer | Robelle Industries #ad |
Height | 6 Inches |
Length | 24 Inches |
Weight | 24 Pounds |
Width | 12 Inches |
Part Number | 1-1901--24 |
Model | 1-1901--24 |
More information #ad
7. In The Swim
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In The Swim Super Pool Shock 24 x 1 Pound Bags
#adIn The Swim #ad - Dosage: 1 pound per 10, 000 gallons. Main active ingredient is 73% Calcium Hypochlorite makes it our strongest pool shock. Super powerful and effective chlorine shock treatment that can quickly take your pool water from cloudy to crystal clear.More information #ad
Quickly eliminates algae, bacteria, and other harmful contaminants from your pool water. Ideal for spring openings, stubborn algae blooms, and regular maintenance.Brand | In The Swim #ad |
Manufacturer | In The Swim Discount Pool Supplies #ad |
Height | 10.5 Inches |
Length | 13.6 Inches |
Weight | 0 Pounds |
Width | 11 Inches |
Part Number | 25334 |
Model | 25334 |
More information #ad
8. In The Swim
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In The Swim Chlorine Shock Granules for Sanitizing Swimming Pools – 56% Available Chlorine – Dichlor – 40 Pound Bucket
#adIn The Swim #ad - In the swim's granular chlorine is ideal for use in swimming pools, spas, fountains and water features. 99% sodium dichloro-S-Triazinetrione Dihydrate. Powerful sanitizing powder that destroys bacteria, breaks down contaminants and kills algae.More information #ad
Calcium-free formula keeps hard-water pools sparkling clean and crystal clear. Contains premium-quality 56% available stabilized chlorine.Brand | In The Swim #ad |
Manufacturer | In The Swim #ad |
Height | 13.2 Inches |
Length | 16 Inches |
Weight | 44 Pounds |
Width | 13.9 Inches |
Part Number | C4045 |
Model | C4045 |
More information #ad
9. Rx Clear
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Rx Clear Stabilized Granular Chlorine | One 50-Pound Bucket | Use As Bactericide, Algaecide, and Disinfectant in Swimming Pools and Spas | Fast Dissolving and UV Protected
#adRx Clear #ad - Trusted pool supplies - Rx Clear is the best choice for swimming pool accessories and pool chemicals and supplies. Dissolves quickly - add 1 oz of this cleaning chemical to your pool for every 5, 000 gallons your pool contains, daily for the best quick water treatment maintenance.Clear water for safe swimming - swimming in crystal clear water does not mean your skin has to suffer.
More information #ad
The granular chlorine is 99% sodium diclor making a relaxing swim not as harsh. This granular chlorine dissolves in a 4-foot column, meaning less chemical adjustments to be made by you! This pool chlorinator acts as a sanitizer, pool algaecide, so there is no need to worry about bleach damage on your pool liner as with chlorine tablets. Long lasting - dichlor resists uv light, lasting longer than other types of chlorinating supplies due to built in stabilizer for your swimming pool, hot tub, or spa. Fewer chemicals needed - our dichlor is ph neutral, and disinfectant.
Brand | Rx Clear #ad |
Manufacturer | Rx Clear #ad |
Height | 18 Inches |
Length | 13 Inches |
Weight | 50 Pounds |
Width | 13 Inches |
Part Number | FD-EP-230201-2846 |
More information #ad
10. Septicfit
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50 Pounds, ECR Calcium Hypochlorite Granules, Pool Shock
#adSepticfit #ad - 86460-1. Due to haz mat regulations These are NOT RETURNABLE. Us epa reg. No. 65% available Chlorine. Resealable Containers. Calcium Hypochlorite Chlorine Granular.More information #ad
Brand | Septicfit #ad |
Manufacturer | Aquafit Chlorination Systems #ad |
Weight | 50 Pounds |
Part Number | 86460-1-122 |
More information #ad