Description
St. Cyr’s Chlorine-Free Shock for hot tubs is a great supplemental shock to use with chlorine or bromine-based hot tubs. This is a high-strength MPS oxidizer, We recommend using this product after each soak to help keep the water clear.
Use 2oz per 500 gallons for best results.
Can also be used before soaking as it is non-odor and non toxic.
Also a great alternative for shocking frog @ease based hot tubs.