10 Best Chlorine For Pools 2020

Gareth Otwell Reviewed by Gareth Otwell | Last Updated:

After analyzing 791 products, scanning 2710 reviews, spending more than 36 hours of research and speaking with our test users, we think the CLOROX Pool&Spa XtraBlue 3-Inch Long Lasting Chlorinating Tablets is the one of the Best Chlorine For Pool on the market.

CLOROX Pool&Spa XtraBlue 3-Inch Long Lasting Chlorinating Tablets – Best Overall Chlorine For Pool

CLOROX Pool&Spa XtraBlue 3-Inch Long Lasting Chlorinating Tablets
  • Protects against algae and bacteria for water that stays clean, clear and free of visible algae
  • Kills all types of pool algae and kills bacteria
  • Protected against sunlight to last longer

Pool Essentials Shock Treatment 6 Pack (13.4 oz Bags) – Best Budget Chlorine For Pool

Pool Essentials Shock Treatment 6 Pack (13.4 oz Bags)
  • Fast-dissolving pool shock
  • Clears cloudy water and removes swimmer contaminants* (*) such as body oils, sweat, lotions and urine
  • power_source_type: Manual
  • No assembly required

Kem-Tek 26489048431 Chlorinating Liquid pack of 3 – Best under $50

Kem-Tek 26489048431 Chlorinating Liquid pack of 3
  • Calcium free and works instantly
  • Will not cloud pool water
  • Safe for all types of pools and filters
  • No assembly required

Clorox Pool&Spa XtraBlue Chlorinating Granules 6 lb

Clorox Pool&Spa XtraBlue Chlorinating Granules 6 lb
  • All purpose sanitizer, shock and Algaecide
  • Kills bacteria, reduces eye irritation and chlorine odor
  • Removes organic contaminants for clear water
  • Protected against sunlight to last longer. Compatible with salt pools and compatible with chlorine pools
  • Add through skimmer or directly to water. Gallons of water treated per pound is 53000

In The Swim 3" Inch Pool Chlorine Tablets – Premium Pick

In The Swim 3" Inch Pool Chlorine Tablets
  • 90% available chlorine
  • 3" Chlorine Tablets are slow-dissolving and stabilized
  • 8 oz. individually wrapped tablets in easy-open bags
  • 99% Trichloro-S-Triazinetrione (Trichlor)
  • Perfect size for floaters or any automatic chlorine feeder

Pool Mate 1-1308 Stabilized/Concentrated/Chlorinating Granules

Pool Mate 1-1308 Stabilized/Concentrated/Chlorinating Granules
  • Powerful, super-concentrated, residue-free, and fast-dissolving
  • Customers prefer chlorinating granules because it has little to no effect on pH levels
  • Can be used as a routine chlorine sanitizer or as a shock treatment
  • Broadcast 3 oz. of this product per 10,000 gallons pool water every other day or as often as needed to maintain chlorine residual at 2-4 ppm
  • 8 Pounds

DryTec Calcium Hypochlorite Chlorinating Shock Treatment for Swimming Pools

DryTec Calcium Hypochlorite Chlorinating Shock Treatment for Swimming Pools
  • 24 bags (1-pound each)
  • Fast-Acting Quick-Dissolving Swimming Pool Sanitizer
  • Kills bacteria, controls algae, and destroys organic contaminants in pools
  • 68% calcium hypochlorite
  • Recommended Dosage: 1 pound per 10,000 gallons of water

Clorox Pool&Spa Active99 3" Chlorinating Tablets 5 lb

Clorox Pool&Spa Active99 3" Chlorinating Tablets 5 lb
  • 99% Trichloro pool chlorine tablet that maintains a healthy pool
  • Kills harmful bacteria
  • Long lasting sunlight protection
  • Controls pool algae
  • Skimmer, feeder or floater applications
  • NOTE: Packaging may vary

Clorox Pool&Spa Small Pool 1" Chlorinating Tablets 1.5 lb

Clorox Pool&Spa Small Pool 1" Chlorinating Tablets 1.5 lb
  • Kills bacteria and prevents algae
  • Protected against sunlight to last longer
  • For pools up to 5, 000 gallons
  • *NOTE: Packaging may vary*

hth 52016 Super Swimming Pool Shock

hth 52016 Super Swimming Pool Shock
  • Add every 7-days
  • Kills bacteria & algae
  • Fast acting 4-in-1 shock treatment
  • Crystal clear results in 24-hours
  • Compatible with salt systems

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