HTH® Pool Care Shock

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Shock treat, sanitize, clarify and help prevent bacteria and algae in your swimming pool water, all with this convenient, easy-to-use product.

  • Multi-use pool shock with Cal Hypo
  • Use weekly to solve 90% of pool water problems
  • Fast-acting and fast-dissolving
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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 salt water 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

1. Add Directly To Water Or Skimmer

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

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

2. Repeat Weekly

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

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