HTH™ Pool Care 3" Chlorine Tabs: Chlorine 3 Inch Tablets

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Protect your swimming pool and enjoy clean, clear water with these easy-to-use chlorine 3 inch tablets.

  • Sanitizer and clarifier 
  • Use in floater, feeder or skimmer basket
  • Tabs last for up to 1 week

Clear Blue Water

This advanced formula sanitizes, clarifies and kills algae for beautiful, clean and clear water all season.

Slow dissolving, long lasting

Sun protected for longer chlorine life, HTH™ chlorine 3 inch tablets dissolve slowly and last up to one week.

Compatible with all pools

Our chlorine 3 inch tablets are great for all pool types including vinyl-lined pools and salt water systems.

You’re all clear with HTH™

For best results, use HTH™ 6-Way Test Strips twice weekly to test and balance your swimming pool water and keep chlorine levels between 1 and 4 ppm.

How to use

HTH™ 3" Chlorine Tabs: Chlorine 3 Inch Tablets

1. Place Tab(s) In Feeder, Floater or Skimmer

Follow the on-pack instructions according to your pool size. Do not add tabs directly to the pool as this could damage surfaces. 3" Chlorine Tabs work great with the HTH™ Skimmer Basket Insert.

Follow the on-pack instructions according to your pool size. Do not add tabs directly to the pool as this could damage surfaces. 3" Chlorine Tabs work great with the HTH™ Skimmer Basket Insert.

2. Repeat Weekly

For best results, replace your tab every week or as often as needed to maintain a chlorine residual of 1-4 ppm.

For best results, replace your tab every week or as often as needed to maintain a chlorine residual of 1-4 ppm.