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HTH® Pool Care Shock Advanced

HTH Pools

Stay all clear for cannonballs! This fast-dissolving, convenient 4-in-1 formula kills bacteria and algae, reduces chlorine odor and irritation and quickly restores crystal clarity.

  • Multi-functional shock treatment for weekly use
  • Use weekly to solve 90% of pool water problems
  • Restores crystal clarity in 24 hours

Visibly brilliant sparkle

This Cal Hypo based formula sanitizes without adding cyanuric acid (CYA) to prevent overstabilization or chlorine lock.

Compatible with all swimming 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 with HTH® 6-Way Test Strips to test and balance your swimming pool water twice weekly.

How to use

HTH® Shock Advanced


1. Add Directly To Water Or Skimmer

Follow the on-pack instructions according to your swimming pool size.


2. Repeat Weekly

For best results, use HTH® Shock Advanced as part of your weekly pool care routine to keep free available chlorine levels between 1 and 4 ppm.

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