HTH Pool Care 3" Chlorine Tablet Advanced, Pool Chemical Sanitizer, for Routine Chlorination
HTH Pool Care 3" Chlorine Tablet Advanced, Pool Chemical Sanitizer, for Routine Chlorination
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HTH Pool Care 3" Chlorine Tablet Advanced, Pool Chemical Sanitizer, for Routine Chlorination

4.5 stars out of 5375 reviews
(4.5)|
5,375 ratings

Key item features

  • Triple Action: These advanced 3-inch chlorine tablets function as a sanitizer, clarifier, and algaecide, providing comprehensive pool care in one convenient product.
  • Effective Protection: The tablets are formulated to destroy bacteria and algae, actively protecting your swimming pool against various organisms for clean and clear water.
  • Versatile Application: Designed for ease of use, these tablets can be placed in a floater, feeder, or skimmer basket, integrating seamlessly into routine pool maintenance.
  • Extended Release: Each tablet is sun-protected for a longer chlorine life and dissolves slowly, providing continuous sanitization for up to one week per tab.
  • Broad Compatibility: Suitable for all pool types, including vinyl-lined and saltwater systems, these tablets offer effective chlorination and protection across diverse pool setups.
  • Seasonal Clarity: The advanced formula works to sanitize, clarify, and kill algae, ensuring beautiful, clean, and clear water throughout the entire swimming season.
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4.5 out of 5 stars
stars5,375 ratings1,406 reviews
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Showing 1-3 of 1,406 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-b9be452911c7256150882
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-b9be452911c7256150882
Jul 6, 2023
Wenchett
Item details
Size: 5 lbs
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

HTH Advanced works! Keeps pool clean and clear.

I bought the 25 pound HTH Advanced 3" tabs because it was best value for money and it was time to give a different brand a try. Ordered online and picked up in store. The name brand that I had used for previous 4 years did not keep my pool clean, clear, nor free of algae even though it had algaecide and chlorine in tabs. I had constant problems with that brand and spent a lot of money and time trying to keep pool clear and chlorine level up. Anyhow, I've been using the HTH Advanced for 2 months now. I am very pleased with HTH Advanced as it has kept pool clear and free of algae, even in the 100 degree humid weather we've had for past few weeks. Chlorine level is where it's supposed to be. I use 2 chlorine tablet floats in 18'x52" pool, one is half closed at bottom. I only need to refill floats every 7 to 10 days depending on weather and pool use.

Helpful?c5f98320-0b0d-11f1-85c1-b9be452911c7256150882