Best Pool Shocks

2025 Reviews by NewsCenter24

Navigating the many choices for effective pool shocks can be challenging. Our team offers powerful pool shocks, formulated to quickly eliminate contaminants, algae, and bacteria for clear, precise results. Our selection ensures sparkling clarity and a healthy swimming environment, based on fast-acting formulas and proven, reliable performance.

Here are the 10 Pool Shocks that our team of experts reviewed, with useful information so you can easily compare products to find the one that's right for you.

1
10.0
Available in 4 styles
HTH 52037R Pool Care Shock Advanced, Swimming Pool Chemical - Cal Hypo Formula, Prevents Bacteria & Algae, Restores Crystal Cle...
  • Dosage: 1 lb treats 13,500 gallons
  • Treatments Included: 12 x 1 lb bags
  • Active Ingredient: 56.4% calcium hypochlorite
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2
9.7
Available in 5 styles
In The Swim Pool Shock – 68% Cal-Hypo Granular Sanitizer for Crystal Clear Water – Defends Against Bacteria, Algae, and Microor...
  • Dosage: 1 lb treats 10,000 gallons
  • Treatments Included: 24 x 1 lb bags
  • Active Ingredient: 68% calcium hypochlorite
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3
9.4
Available in 3 styles
DryTec 1-1901-12 Calcium Hypochlorite Pool Shock, 1-Pound, 12-Pack
  • Dosage: 1 lb treats 10,000 gallons
  • Treatments Included: 12 x 1 lb bags
  • Active Ingredient: 68% calcium hypochlorite
4
9.2
Available in 5 styles
In The Swim Pool Shock – 68% Cal-Hypo Granular Sanitizer for Crystal Clear Water – Defends Against Bacteria, Algae, and Microor...
  • Dosage: 1 lb treats 10,000 gallons
  • Treatments Included: 24 x 1 lb bags
  • Active Ingredient: 68% calcium hypochlorite
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5
9.1
Available in 3 styles
Drytec 1-1901-24 Calcium Hypochlorite Chlorine Shock Treatment for Swimming Pools, 1-Pound, 24-Pack
  • Dosage: 1 lb treats 10,000 gallons
  • Treatments Included: 24 x 1 lb bag
  • Active Ingredient: 68% calcium hypochlorite
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6
9.0
Available in 3 styles
In The Swim Chlorine-Free Pool Shock – Quick Dissolving, Fast-Acting, Shock-Oxidizer for Swimming Pools, Spas, and Salt Chlorin...
  • Dosage: 1 lb treats 10,000 gallons
  • Treatments Included: 12 x 1 lb bags
  • Active Ingredient: 38% potassium monopersulfate
7
8.8
SpaGuard Enhanced Spa Shock 6lbs
  • Dosage: 1 lb treats 42,500 gallons
  • Treatments Included: 1 x 6 lb bottle
  • Active Ingredient: 58.2% sodium dichloro-s-triazinetrione
8
8.7
Available in 2 styles
Clorox® Pool&Spa™ Shock Plus, for Crystal Clear Swimming Pool Water, Swim-ready in 15 minutes, Suitable for vinyl pools 12 Coun...
  • Dosage: 1 lb treats 12,000 gallons
  • Treatments Included: 12 x 1 lb bags
  • Active Ingredient: 58.2% sodium dichloro-s-triazinetrione
9
8.4
HTH 52123 Super Shock Treatment Swimming Pool Chlorine Cleaner, 1 lb (Pack of 15)
  • Dosage: 1 lb treats 13,500 gallons
  • Treatments Included: 15 x 1 lb bags
  • Active Ingredient: 56.4% calcium hypochlorite
10
8.3
Available in 5 styles
Robarb 20154A-02 Super Swimming Pool Clarifier, 1-Quart, Blue, 2-Pack
  • Dosage: 1 oz treats 5,000 gallons
  • Treatments Included: 2 x 32 oz bottles
  • Active Ingredient: Unknown

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