HTH™ Pool Care Shock: Pool Chlorine Shock

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

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

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 pool chlorine shock 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: Pool Chlorine 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.