HTH 3-inch Chlorine Tablets — Tablet, 25 lb — Pool Sanitizer for Routine Chlorination
HTH 3-inch Chlorine Tablets — Tablet, 25 lb — Pool Sanitizer for Routine Chlorination
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HTH 3-inch Chlorine Tablets — Tablet, 25 lb — Pool Sanitizer for Routine Chlorination

4.8 stars out of 36 reviews
(4.8)|
36 ratings

Key item features

  • Sanitizing Tablets: These 3-inch chlorine tablets, weighing 25 lb, are designed for routine pool chlorination to maintain clean and clear water.
  • Concentrated Formula: Each 7oz tablet is concentrated, providing effective control against bacteria and algae in swimming pools.
  • Extended Release: The sun-protected tablets dissolve slowly, offering a steady source of available chlorine for up to one week.
  • Versatile Application: Suitable for all pool surfaces, these tablets can be used in a floater, feeder, or skimmer basket.
  • Broad Compatibility: Ideal for various pool types, including small, pop-up, above-ground, vinyl-lined, and saltwater systems.
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Current price is $127.0031.8 ¢/oz
Price when purchased online
  • Free shipping
  • Free 90-day returns
Subscribe, Your usuals, on your schedule, Save time and stay stocked!, $127.00
Your usuals, on your schedule
Save time and stay stocked!
One-time purchase $127.00

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Columbus, 43215
Arrives by Tue, Feb 17
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HTH 3-inch Chlorine Tablets — Tablet, 25 lb — Pool Sanitizer for Routine Chlorination $127.00 31.8 ¢/oz

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Customer ratings & reviews

4.8 out of 5 stars
stars36 ratings17 reviews
How item rating is calculated
  1. 5 stars89% (32)
  2. 4 stars6% (2)
  3. 3 stars3% (1)
  4. 2 stars0% (0)
  5. 1 star3% (1)

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Showing 1-3 of 17 reviews

Jan 16, 2026
Suresh
5 out of 5 stars review

Verified Purchase

99% Tri Chlor which is great

The tablet holds the ORP good. 99% Tri Chlor which is great compared to others. I use 2 per week for 20,000 gallon pool.

Incentivized Review
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Jun 11, 2025
Rose
5 out of 5 stars review

Verified Purchase

I have been using this chlorine for years until last year when I bought a different brand. HTH is much better than any other brand that I have used because it dissolves faster and does a better job of sanitizing the pool water.

Incentivized Review
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Jun 21, 2025
anonymous
Walmart Associate
5 out of 5 stars review

Verified Purchase

Pool tablets

Great chlorine tablets for pool. Work as they should. Super fast shipping.

Incentivized Review
Helpful?798TTBDJU1LX6918315675