Compatible with most spas
HTH spa™ Non-chlorine Shock Oxidizer is great for bromine and chlorine systems.
You’re all clear with HTH®
For best results, use HTH spa™ Non-chlorine Shock Oxidizer as part of your regular HTH spa™ care routine.

How to use
HTH spa™ Care Non-Chlorine Shock Oxidizer
1. Apply To Spa Water
With the filtration system on, apply 2 ounces (4 tablespoons) of HTH spa™ Non-chlorine Shock Oxidizer for every 250 gallons of water.
With the filtration system on, apply 2 ounces (4 tablespoons) of HTH spa™ Non-chlorine Shock Oxidizer for every 250 gallons of water.
2. Circulate Water
With the spa cover off, circulate your spa water for 15 minutes.
With the spa cover off, circulate your spa water for 15 minutes.