10 BEST POOL TABLETS for sale in 2025 – compare between the best pool tablets on sale.

Rank Product Rating
1
In The Swim 3' Inch Pool Chlorine Tablets - 50 Pounds
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1,525 Reviews
Product Highlights
  • 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)

$129.99
2
HTH 42032 Super 3-inch Chlorinating Tablets Swimming Pool Sanitizer, 6 oz
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Product Highlights
  • BENEFITS: Sanitizes and protects your pool water so you can enjoy swimming in clean and clear water all season long
  • USE: Place a tab in pool skimmer, floater, or feeder for simple, DIY pool care; 1 tablet treats 10,000 gallons of water for up to a week
  • COMPATIBILITY: Vinyl-lined pools and saltwater systems
  • FEATURES: Kills bacteria and algae; Chlorinates for up to 1 week; Clarifies water; Sun protected for longer chlorine life

$2.44
3
HTH 42033 Super 3' Tablets Swimming Pool Chlorine, 5 lbs
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Product Highlights
  • BENEFITS: Sanitizes and protects your pool water so you can enjoy swimming in clean and clear water all season long
  • USE: Place a tab in pool skimmer, floater, or feeder for simple, DIY pool care; 1 tablet treats 10,000 gallons of water for up to a week
  • COMPATIBILITY: Vinyl-lined pools and saltwater systems
  • FEATURES: Kills bacteria and algae; Chlorinates for up to 1 week; Clarifies water; Sun protected for longer chlorine life

$34.38
4
CLOROX Pool&Spa XtraBlue 3-Inch Long Lasting Chlorinating Tablets, 5-Pound Chlorine
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900 Reviews
Product Highlights
  • Kills bacteria
  • Kills and prevents all types of pool algae
  • Prevents corrosion, scale and stains
  • Long-lasting sunlight protection

$53.99
5
Clorox Pool&Spa Active99 3' Chlorinating Tablets 5 lb
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824 Reviews
Product Highlights
  • 99% Trichloro pool chlorine tablet that maintains a healthy pool
  • Kills harmful bacteria
  • Long lasting sunlight protection
  • Controls pool algae

$22.99
6
Rx Clear 3-Inch Individually Wrapped Chlorine Tablets | One 50-Pound Bucket | Use As Bactericide, Algaecide, and Disinfectant in Swimming Pools and Spas | Slow Dissolving and UV Protected
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Product Highlights
  • ADAPTABLE TO YOUR POOL OR HOT TUB - Use 2 tablets per 10,000 gallons of pool water as needed by adding the pool chlorine tablets to your existing inline/offline chlorinator and using the flow of your pump to dissolve and distribute the pool chemicals or to a floating chlorine dispenser.
  • EASY TO USE - Each individually wrapped chlorinating tablet weighs 7 ounces
  • LONG LASTING - These Rx Clear chlorine tabs are slow dissolving, 90% available chlorine, 99% Trichlor. Note: Some of the tablets may be cracked or broken within their packaging due to shipping. This breakage is normal and does not reduce the effectiveness of these tabs
  • LOW PRICE, HIGH QUALITY - Compared to HTH, Bioguard and Clorox. The Rx Clear brand provides more available chlorine in each tab at a much lower cost

$154.96
7
Robelle 1440M 5-in-1 3-Inch Multi-Purpose Swimming Pool Chlorine Tabs, 40-Pounds
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Product Highlights
  • Sanitizer, Clarifier, Stain Inhibitor, Algae Control, and Descale all in one 3" 8 oz. tab
  • Each 3" 8 oz. tab is individually wrapped, stabilized, and slow dissolving
  • Reduces the need for additional chemicals
  • Weekly maintenance dosage is 1 to 3 tablets per 10000 gal.

$259.98 $139.99
8
Clorox Pool&Spa XtraBlue Chlorinating Granules ,6 Pounds
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446 Reviews
Product Highlights
  • Quick-dissolving, dual action pool chlorine granules that maintains a healthy pool
  • Pool sanitizer and shock
  • Kills harmful bacteria
  • Kills and prevents all types of pool algae

$41.23
9
Kem-Tek 2815-6 Chlorinating Tablets 1-Inch Pool and Spa Chemicals, 1.5-Pound
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500 Reviews
Product Highlights
  • For every pool sanitization and super chlorination
  • Slow dissolving and concentrated for long lasting sanitation
  • Stabilized to reduce chlorine loss to the sun's UV rays
  • Maintains strong and steady chlorine residual

$24.99
10
Clorox Pool&Spa Small Pool 1' Chlorinating Tablets 1.5 lb
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484 Reviews
Product Highlights
  • Kills bacteria and prevents algae
  • Protected against sunlight to last longer
  • For pools up to 5, 000 gallons
  • NOTE: Packaging may vary*

$55.00

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