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Best shock for salt water pools - Holiday Sale 2025

Last Updated - December 14, 2025

1
Best Choice

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Doheny's

Doheny's Super Pool Shock | Pro-Grade Chlorine Shock, Quick-Dissolving, Fast-Acting 68% Cal-Hypo Granular Pool Shock | 24 x 1lb Bags, Proudly Made in The USA

Doheny's

$109.99

More Details
Main highlights
- Trusted Quality, Family-Owned: With over 50 years of pool supply expertise, Doheny’s provides high-quality products you can count on.
- Pro-Grade Cal Hypo Shock: Made with 68% calcium hypochlorite and 65% available chlorine for powerful, long-lasting pool maintenance.
- Fast-Acting Pool Shock: Instantly boosts chlorine levels to eliminate algae and contaminants, keeping your pool crystal clear.
- Effective Dosage: Use 1lb per 10,000 gallons; for spring openings or heavy algae blooms, apply 2-3 doses for best results.
- Convenient & Easy to Use: Pre-measured 1lb bags ensure quick, hassle-free application—no measuring needed.
$109.99
2
Best Value
28% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

POOLACC
28% Off

Pro-Grade Chlorine Pool Shock, 68% Cal-Hypo Granular Sanitizer, Prevents Bacteria & Algae, Restores Crystal Clear Water - Shock Treatment, Swimming Pool Chemical - 25Lb

POOLACC

$99.99

$139.99
(28% Off)

More Details
Main highlights
- Pro-Grade Cal Hypo Formula: Made with 68% calcium hypochlorite and 68% available chlorine. Top-notch ingredients for powerful, long-lasting pool maintenance. Sanitizes without adding cyanuric acid (CYA) to prevent chlorine lock.
- Multi-Functional Shock Treatment: Effectively kills bacteria & virus, prevents algae, controls chlorine odor, reduces irritation, and quickly restores crystal clarity, ideal for routine pool water maintenance.
- Fast-Acting Pool Shock: Instantly boosts chlorine levels to eliminate bactaria, algae and contaminants, keeping your pool water sanitary, healthy and visibly sparkling.
- Dosage: Add 10-20 ounce of the product per 10,000 gallon of water in the pool. This will yield 5-10 ppm of available residual chlorine by weight in the pool.
- Compatible with All Swimming Pools: Vinyl-lined pools or saltwater systems, above ground pools or inground pools. Pre-dissolve or dilute to avoid bleaching the liner.
$99.99
$139.99 (28% Off)
3
15% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

HTH
15% Off

HTH 52037R Pool Care Shock Advanced, Swimming Pool Chemical - Cal Hypo Formula, Prevents Bacteria & Algae, Restores Crystal Clear Water - Shock Treatment, 1lb (12 Pack)

HTH

$46.09

$54.32
(15% Off)

More Details
Main highlights
- 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
- VISIBLY BRILLIANT SPARKLE: This Cal Hypo based formula sanitizes without adding cyanuric acid (CYA) to prevent overstabilization or chlorine lock
- FEATURES: Multi-functional shock treatment for weekly use to solve 90% of pool water problems within 24 hours and restore crystal clarity
- COMPATIBLE WITH ALL SWIMMING POOLS: This product is great for all pool types including vinyl-lined pools and saltwater systems
- 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
$46.09
$54.32 (15% Off)
4

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Clorox

Clorox® Pool&Spa™ Salt Pool Shock-Oxidizer, Chlorine-Free Shock Oxidizer, Eliminates Organic Contaminants and Clears Cloudy Water (6-Pack)

Clorox

$39.98

More Details
Main highlights
- Granular chlorine-free formula
- For clear, odor-free water in your salt pool
- Eliminates organic contaminants
$39.98
5
25% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

CLOROX Pool&Spa
25% Off

Clorox® Pool&Spa™ Shock XTRABLUE® Plus, Kills Bacteria & Algae in Swimming Pools, Swim-Ready in 15 Minutes, (12-Pack)

CLOROX Pool&Spa

$55.98

$74.99
(25% Off)

More Details
Main highlights
- Usage: Use 1 lb. per 12,000 gallon of water. Shock pool weekly and after heavy use, high temperatures, or rain.
- Swim-ready in 15 minutes: Fast dissolving formula works quickly so you can treat and swim in just 15 minutes.
- Packaging may vary
- Compatibility: This product is safe for all swimming pool surfaces, including vinyl, plaster, fiberglass, and tile.
- Clorox Pool App: Test like an expert anytime, anywhere with the Clorox Pool App. Solve common pool problems and get personalized product and dosage recommendations.
- 6 in 1 Formula: Kills bacteria and algae to maintain a clear swimming pool. Our algae-fighting formula prevents algae for crystal-clear water. Destroys contaminants to aid filter performance and clear dull, cloudy water
$55.98
$74.99 (25% Off)

Best shock for salt water pools - Holiday Sale 2025

Doheny's Super Pool Shock | Pro-Grade Chlorine Shock, Quick-Dissolving, Fast-Acting 68% Cal-Hypo Granular Pool Shock | 24 x 1lb Bags, Proudly Made in The USA

Pro-Grade Chlorine Pool Shock, 68% Cal-Hypo Granular Sanitizer, Prevents Bacteria & Algae, Restores Crystal Clear Water - Shock Treatment, Swimming Pool Chemical - 25Lb

HTH 52037R Pool Care Shock Advanced, Swimming Pool Chemical - Cal Hypo Formula, Prevents Bacteria & Algae, Restores Crystal Clear Water - Shock Treatment, 1lb (12 Pack)

Clorox® Pool&Spa™ Salt Pool Shock-Oxidizer, Chlorine-Free Shock Oxidizer, Eliminates Organic Contaminants and Clears Cloudy Water (6-Pack)

Clorox® Pool&Spa™ Shock XTRABLUE® Plus, Kills Bacteria & Algae in Swimming Pools, Swim-Ready in 15 Minutes, (12-Pack)

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