FROG Serene Floating Sanitizing System for Hot Tubs
FROG Serene Floating Sanitizing System blends minerals with a low level of bromine for clear, silky-soft hot tub water. Includes three bromine cartridges, minerals cartridge, test strips, and startup shock; easy spa care. One customer notes suitability for large tubs like 10-person models
Highlights
- mineral + bromine dual formula
- starter kit with strips
- extended mineral cartridge life
Pros
- mineral-plus-bromine formula
- multi-item sanitizing bundle
- includes test strips and startup shock
- long-lasting mineral cartridge
- easy-to-use floating system
Cons
- mixed feedback on chlorine levels
- some reports of cloudy or yellow water
- bromine levels vary by user
Best For
Features
- Includes three bromine cartridges and one sanitizing minerals cartridge
- FROG Test Strips and Jump Start for startup shock included
- Mineral formula paired with low bromine for clean, silky water
- Mineral cartridge lasts up to four months; bromine cartridges last 2–4 weeks
- Reduces bromine use by up to 50% and minimizes odors
