Best Swimming Pool Chlorine(Updated June 2025)

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

(14.56K)
$56.00
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Buyer Rating10
Functionality
Value for money
Cleanliness
Shock quality
Ease of use

Bought by 142 people today

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Product image of HTH 42049 Pool Care 1" Chlorine Tabs, Swimming Pool Sanitizer with Added Clarifier - Eliminates Bacteria & Algae, Makes Water Clean & Crystal Clear, Sanitizes & Protects - Slow Dissolving, 1.5 lbs

HTH 42049 Pool Care 1" Chlorine Tabs, Swimming Pool Sanitizer with Added Clarifier - Eliminates Bacteria & Algae, Makes Water Clean & Crystal Clear, Sanitizes & Protects - Slow Dissolving, 1.5 lbs

(9.03K)
$19.24$24.00
Buyer Rating9.7
Works well
Value for money
Water cleanliness
Size
Longevity
Chlorine level

Bought by 191 people today

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Product image of In The Swim 3 Inch Stabilized Chlorine Tablets for Sanitizing Swimming Pools - Individually Wrapped, Slow Dissolving - 90% Available Chlorine - Tri-Chlor - 50 Pounds

In The Swim 3 Inch Stabilized Chlorine Tablets for Sanitizing Swimming Pools - Individually Wrapped, Slow Dissolving - 90% Available Chlorine - Tri-Chlor - 50 Pounds

(21.5K)
$188.99$234.99
Buyer Rating9.5
Quality
Value for money
Chlorine content
Longevity
Individual wrapping
Filtration

Bought by 94 people today

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Product image of Clorox Pool&Spa XTRABLUE 3” Chlorinating Tablets, Individually Wrapped, Kills Bacteria & Stops Algae (5 LB)

Clorox Pool&Spa XTRABLUE 3” Chlorinating Tablets, Individually Wrapped, Kills Bacteria & Stops Algae (5 LB)

(36.4K)
$38.49
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Buyer Rating9.3

Bought by 130 people today

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Product image of Floating Chlorine Dispenser for Pools Fits 3" Tablets - Pool Chlorine Floater with Adjustable Flow Vents Balanced Chemical Dispenser [3 Tablet Capacity] 7" Diameter Floater

Floating Chlorine Dispenser for Pools Fits 3" Tablets - Pool Chlorine Floater with Adjustable Flow Vents Balanced Chemical Dispenser [3 Tablet Capacity] 7" Diameter Floater

(3.02K)
$12.99
Amazon's Choice badge
Buyer Rating9
Works well
Value for money
Size
Floatability
Ease of use
Chlorine level

Bought by 88 people today

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Guides

Pools, Hot Tubs & Supplies

Guide to Buying Swimming Pool Chlorine

Choose the best chlorine for safe, sparkling clean swimming pools.