Best Pool Shocks

2025 Reviews by NewsCenter24

1
HTH Available in 4 styles
10.0
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
IN THE SWIM Available in 5 styles
9.7
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
DRYTEC Available in 3 styles
9.4
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
IN THE SWIM Available in 5 styles
9.2
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
DRYTEC Available in 3 styles
9.1
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
IN THE SWIM Available in 3 styles
9.0
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
SPAGUARD
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
CLOROX Available in 2 styles
8.7
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
HTH
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
ROBARB Available in 5 styles
8.3
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