SpaGuard Spa Shock-Oxidizer is the ideal option for spas and hot tubs that use ionizers and can be used with virtually any hot tub including chlorinated, brominated, and salt system spas. The shock-oxidizer is fast-acting, treating your spa water in as little as 15 minutes!
- Non-chlorine shock-oxidizer
- Quickly oxidizes non-living waste and contaminants**
- Single-dose, 1” tab per 300 gallons – 1200 liters weekly
- Bottle treats average-sized spas for 12+ weeks
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