HTH 3 inch Chlorine Tablets 25 lb Pool Sanitizer for Routine Chlorination and Algae Control
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

145 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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4.8 out of 5 stars
stars
145 ratings50 reviews
How item rating is calculated
  1. 5 stars90% (130)
  2. 4 stars6% (9)
  3. 3 stars2% (3)
  4. 2 stars1% (1)
  5. 1 star1% (2)

Reviews summary

Pros

  • : Navigation is straightforward and easy to follow.
  • : Offers affordable options compared to others.
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Showing 1-3 of 50 reviews

Oct 3, 2026
Reviewer name: Linda
Top Reviewer
Walmart Associate
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

HTH Chlorine Tablets

HTH Chlorine Tablets work well to keep my pool sparkling clean.

Helpful?798TTBDJU1LX6918315675
Jul 17, 2026
Reviewer name: Ed
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Best value 3” tabs

Product arrived next day, free shipping, priced below discount stores special pricing! Why go with cheap stuff? This is the best.

Helpful?798TTBDJU1LX6918315675
Jun 26, 2026
Reviewer name: anonymous
Top Reviewer
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

these work great in my pool. i have auto-chlorinator and use maybe 3 to 4 pucks a month in it.

Helpful?798TTBDJU1LX6918315675
Current price is Now $117.90
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was $149.99
29.5 ¢/oz
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