St. Cyr Chlorine Free Shock 2lb
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St. Cyr’s Chlorine-Free Shock for hot tubs is a smart, gentle way to revitalize spa water between or after soaks. This high-strength MPS (monopersulfate) oxidizer works alongside standard chlorine or bromine sanitizers, supporting sparkling, inviting water without harsh odors or irritation.
Key Features & Benefits
- Chlorine-free formula is non-toxic and non-odorous, perfect for sensitive skin and enjoyable for all bathers.
- Powerful MPS oxidizer rapidly destroys organic contaminants, making water look clear and fresh after every soak.
- Compatible with chlorine and bromine systems—offers flexibility and enhanced water care for any hot tub routine.
- Ideal for FROG @ease hot tubs as a safe, effective alternative shock treatment.
- Quick, easy application: simply add after every soak for maintained clarity, or dose just before soaking to prep the spa.
Specifications
- Application: Hot tubs/spas
- Main ingredient: High-strength monopersulfate (MPS) oxidizer
- Dosage: 2 oz per 500 gallons for best results
- Usage: Safe to add before or after soaking
- Scent: Odorless
- Toxicity: Non-toxic; gentle on skin and surfaces
For a clean, enjoyable hot tub experience, this shock is a reliable and user-friendly supplement to any spa water care routine.
