HTH 1" Chlorinating Tablets - 5 lb

  • Kills bacteria and algae with built-in algaecide
  • Designed to give pool owners the ultimate value
  • 2 tablets treat 5,000 gal for up to 1 week
Availability: In stock


Your pool stays clean and clear with HTH sanitizer products, designed to effectively guard against bacteria, algae and other organisms. Offer two types of chlorine-based sanitizers: stabilized and unstabilized. HTH 1" Chlorinating tablets keep your pool clean and clear with a 2-in-1 formula that sanitizes and protects swimming pool water for healthy swimming. These HTH chlorinating tablets also work hard to kill algae and other bacteria. Apply tablets to feeders, floaters or the skimmer basket, adding 2 tablets for every 5,000 gal of pool water. Sun protected for longer chlorine life, HTH 1" tablets dissolve slowly and last up to one week. They’re great for small pool types, pop-up pools, in-ground and above-ground pools – including vinyl-lined pools and salt water systems.

  • HTH 1" chlorinating 2-in-1 formula protects pool water from chlorine loss due to sun and sanitizes pool water for healthy swimming
  • Kills bacteria and algae with built-in algaecide
  • Designed to give pool owners the ultimate value - dissolves slowly for longer chlorine life
  • Place tablets into skimmer, floater or feeder for simple DIY pool care
  • 2 tablets treat 5,000 gal for up to 1 week
  • Great for all pool types including salt water and vinyl-lined - especially small in-ground pools, pop-up pools, and other above-ground pools
  • Test pool water weekly to keep free available chlorine levels between 1 and 4 ppm
Sanitize Pool Weekly for Clear and Clean Water
Kills Algae and Bacteria

Algae and other organisms can turn pool water green. HTH Chlorinating Tablets destroy algae and bacteria to keep the water looking blue.

1 Tablet Works for up to 1 Week

This easy-to-use chlorine tablet dissolves slowly and effectively to sanitize your pool. One tablet keeps working for up to one week per 10,000 gal.

Formulated to Prevent Chlorine Loss

HTH Super 3" Chlorinating Tablets are formulated with cyanuric acid (CYA) to help protect against chlorine loss, and they contain built-in algae protection and clarifier.

How to Use HTH Chlorinating Tablets
Test and Balance pH Levels

First, make sure the pH of the water is balanced. If the pH is too high or too low, the chlorine sanitizer won’t work as effectively. The ideal pH range is between 7.2 and 7.8.

Sanitize After Sunset

Sanitizing your pool at night allows more time for HTH Chlorinating Tablets to work, so your pool can be swim-ready when the sun comes up. 

Apply to Feeder, Floater or Skimmer

Place one tablet in pool feeder, floater or skimmer per 10,000 gal of water every week or as often as needed to maintain a chlorine residual of 1-4 ppm. Do not add directly to the pool as this can cause damage to pool surfaces.

  • Capacity: 5 lb


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