Visibly brilliant sparkle
This Cal Hypo based formula sanitizes without adding cyanuric acid (CYA) to prevent overstabilizaiton or chlorine lock.
Slow dissolving, long lasting
The patented HTH® slow dissolving technology protects against chlorine loss in direct sunlight and a sparkle that lasts up to 1 week.
Compatible with all pools
This product is great for all pool types including vinyl-lined pools and saltwater 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® Chlorine Skimmer Tabs
1. Place Tab(s) In Empty Skimmer Basket
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.
2. Test Free Available Chlorine (FAC)
After 1 day of use, test swimming pool water with HTH® 6-Way Test Strips. Do not enter your pool until the free available chlorine residual is 1 to 4 ppm.
After 1 day of use, test swimming pool water with HTH® 6-Way Test Strips. Do not enter your pool until the free available chlorine residual is 1 to 4 ppm.