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10 Best swimming pool chlorines of 2026
Save up to 39% off
Best Choice1
Pool Essentials9.8Exceptional
Pool Essentials® 99% 3 Inch Chlorine Tablets, Kills Bacteria, Long Lasting, Slow-Dissolving sanitizer, with 99% Trichlor, for Feeder, Skimmer or Floater - 50LB
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Value for Money2
In The Swim9.7Exceptional
In The Swim 3 Inch Stabilized Chlorine Tablets for Sanitizing Swimming Pools - Individually Wrapped, Slow Dissolving - 90% Available Chlorine - Tri-Chlor - 50 Pounds
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Individually Wrapped:Yes
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Sun Protection:UV Protected
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Chlorine Concentration:90% Available Chlorine
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Tablet Size:3 Inch
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Chemical Composition:99% Trichloro-S-Triazinetrione
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3
CLOROX Pool&Spa9.5Excellent
Clorox® Pool&Spa™ Shock XTRABLUE® Plus, Kills Bacteria & Algae in Swimming Pools, Swim-Ready in 15 Minutes, (12-Pack), Granular
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4
In The Swim9.4Excellent
In The Swim 3 Inch Stabilized Chlorine Tablets for Sanitizing Swimming Pools - Individually Wrapped, Slow Dissolving - 90% Available Chlorine - Tri-Chlor - 25 Pounds
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5
TABIT9.2Excellent
Chlorine Tablets 3 inch 25 Pounds, TABIT Swimming Pool Long Lasting Chlorinating Tablets, Slow Dissolving, Tri-Chlor for Swim Pool, Hot Tubs, Spa
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6
HTH9.0Excellent
HTH 52037R Pool Care Shock Advanced, Swimming Pool Chemical - Cal Hypo Formula, Prevents Bacteria & Algae, Restores Crystal Clear Water - Shock Treatment, 1lb (12 Pack)
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7
DryTec8.9Very Good
Drytec 1-1901-24 Calcium Hypochlorite Chlorine Shock Treatment for Swimming Pools, 1-Pound, 24-Pack
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8
Doheny's8.8Very Good
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
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9
E-z Pool8.7Very Good
E-Z Pool All in One Pool Care Solution (Regular 5 lb)
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10
Doheny's8.6Very Good
Doheny’s 3-Inch Stabilized Chlorine Tablets for Sanitizing Swimming Pools | 99% Pure Tri-Chlor, 90% Available Chlorine | Long-Lasting, UV-Protected, Slow-Dissolving | Individually Wrapped 25lb Bucket
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