HTH 3-inch Advanced Chlorine Tablets — Tablet, 5 lb — Pool Sanitizer for Routine Chlorination
HTH 3-inch Advanced Chlorine Tablets — Tablet, 5 lb — Pool Sanitizer for Routine Chlorination
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HTH 3-inch Advanced Chlorine Tablets — Tablet, 5 lb — Pool Sanitizer for Routine Chlorination

4.5 stars out of 5369 reviews
(4.5)|
5,369 ratings
HTH 3-inch Advanced Chlorine Tablets — Tablet, 5 lb — Pool Sanitizer for Routine ChlorinationHTH Pool Care 3 Chlorine Tablets Advanced for Swimming Pools Tablets 5 lbs2 pack HTH Pool Care 3 Chlorine Tablet Advanced for Swimming Pools 8oz Single TabletHTH Pool Care 3 Chlorine Tablet Advanced for Swimming Pools 8oz Single TabletHTH Pool Care 3 Chlorine Tablets Advanced for Swimming Pools Tablets 25 lbs2 pack HTH Pool Care 3 Chlorine Tablets Advanced for Swimming Pools Tablets 25 lbs2 pack HTH Pool Care 3 Chlorine Tablets Advanced for Swimming Pools Tablets 5 lbs
Size:5 lbs
Pack Size:Single

Key item features

  • Triple Action: These 3-inch advanced chlorine tablets function as a sanitizer, clarifier, and algaecide, effectively destroying bacteria and algae for clean pool water.
  • Extended Protection: Sun-protected for longer chlorine life, these slow-dissolving tablets last up to one week, providing continuous pool sanitation.
  • Versatile Application: Designed for use in a floater, feeder, or skimmer basket, these tablets are suitable for all swimming pool types, including vinyl-lined and saltwater systems.
  • Simple Dosing: Each convenient one-dose tablet treats 10,000 gallons of water, simplifying routine chlorination.
  • Clear Water: The tablets contribute to clear blue water by protecting against bacteria, algae, and other organisms.
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Current price is Now $39.97
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was $44.99
$7.99/lb
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4.5 out of 5 stars
stars5,369 ratings1,405 reviews
How item rating is calculated
  1. 5 stars79% (4,223)
  2. 4 stars9% (475)
  3. 3 stars4% (200)
  4. 2 stars2% (95)
  5. 1 star7% (376)

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Showing 1-3 of 1,405 reviews

Nov 20, 2025
anonymous
Top Reviewer
Item details
Size: 25 lbs
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

Will not disappoint!

This a great product and I do recommend it. The container itself has many great features. First, the container is fantastic. It's a tub with an open/close lid that protects the product and seals in the chemical smells of chlorine. We've been using this product for six months without any issues. It dissolves properly in the chlorine dispenser and doesn't produce algae.

Helpful?c5f98320-0b0d-11f1-85c1-b9be452911c7492355590
Aug 3, 2025
shawn
Item details
Size: 8 oz
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

Easy to use.

The lid was easier to open then some chlorine packages. The tablets are not wrapped in plastic. It can be very difficult to unwrap the tablets when you are 30 feets from the house with wet hands and no scissors. So I prefer the tablets not be wrapped like some companies do.

Helpful?c5f98320-0b0d-11f1-85c1-b9be452911c7492355590
Jul 4, 2025
anonymous
Item details
Size: 25 lbs
Multipack quantity: 1
4 out of 5 stars review

Verified Purchase

HTH is Reliable

There was a delay with my 25%23order purchased via Walmart App, so I had to buy the 5%23 tub of tabs since I was running low and the pool needs to be chlorinated more often in the excessive heat. This is the most expensive way to purchase chlorine, however, the brand is good. The 3” tablets were in tact and work great.

Helpful?c5f98320-0b0d-11f1-85c1-b9be452911c7492355590