Frog Serene Cartridge Kit - 3 Bromine/1 Mineral
Keep your hot tub water clean and serene with the Frog Serene Cartridge Kit. This convenient kit eliminates the guesswork and daily hassle of chemical maintenance by using a combination of sanitizing minerals and a low level of bromine. This dual-action approach results in Fresh Mineral Water® that feels softer on your skin and is gentler on swimsuits and spa surfaces. You can expect to lower your bromine use by up to 50% compared to traditional methods. Bromine is less impacted by pH swings, ensuring consistent sanitizing effectiveness with far fewer odors than chlorine. This kit includes one Mineral Cartridge and three Bromine Cartridges.
$86.80
Owner Satisfaction
4.4
/ 5
Category Rank
778
/ 1310
#778 in Pool Cleaners & Chemicals
Price vs Category Average
+27%
Above average
SKU
24149
Who it's for
- Simple Maintenance System
- Reduced Chemical Irritation
- Consistent Sanitation Delivery
Who should skip it
- Higher Initial and Recurring Cost
- Brand Dependency and Lock-in
- Bromine-Only Limitation
Key Specs
SKU
24149
Mineral Cartridge Size
58 gram
Bromine Cartridge Size
150 gram
Hot Tub Capacity Compatibility
150 to 600 gallons
Intended Pool Type
Spa or Hot Tub
Included Components
Chemical Dispenser
Features
- Lowers bromine use by up to 50%
- Provides soft feeling water
- Low odor compared to chlorine
- Self-regulated sanitization
- Set it and forget it for weeks
- Works in hot tubs 150 to 600 gallons
- Mineral cartridge lasts up to four months
- Bromine cartridge lasts 2-4 weeks
What customers say
This cartridge kit earns high praise primarily for its exceptional ease of use and the resulting superior water quality. Users love the set it and forget it maintenance, which greatly simplifies spa upkeep compared to traditional chemical dosing. The mineral cartridge is a standout feature, often credited with delivering softer water, reducing skin irritation, and minimizing harsh chemical odors. This combination allows for comfortable, lower bromine levels. While the convenience is the strongest selling point, the recurring cost is a significant drawback for many customers weighing the long term value. Despite the higher expense, the product is viewed as a premium solution for those prioritizing hassle free maintenance and excellent water comfort.
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$87