FROG® Serene® Floating System – Bromine Hot Tub Water Care
Frequently Bought Together
Why Shop With Hot Tub Things?
Authentic & Genuine Products
Shop trusted inventory of original spa parts.
Competitive Pricing
Built value for genuine spa care.
Expert Customer Support
Need help finding the right item? We can assist.
Great Everyday Value
Strong fit and quality without overpaying.
Fast Free Shipping
Free shipping on orders $100+.
Satisfaction Guaranteed
Supported by our easy return process.
Key Features & Benefits
Patented Bromine Delivery System
Self-regulates bromine output based on your spa's needs Uses up to 50% less bromine than traditional tablet or granular methods Maintains consistent sanitizer levels without daily testing Eliminates the harsh chemical odors associated with conventional bromine
Effortless Floating Design
Engineered for seamless compatibility with original mounting points for secure placement.Zero installation required—simply place in your hot tub Works continuously while floating freely in spa water No complicated dispensers or feeders to install Compatible with hot tubs up to 600 gallons
Dual-Action Mineral Technology
Combines bromine with FROG minerals for enhanced sanitation Kills bacteria two ways for superior water quality Naturally conditions water for exceptional softness Reduces pH fluctuations for more stable water chemistry
Gentle & Effective
Ideal for those with chlorine sensitivities or allergies Creates softer water that's gentle on skin, eyes, and hair Won't fade swimsuits or damage spa surfaces Provides effective sanitation without harsh chemical irritation
Long-Lasting Performance
Bromine cartridge lasts 2-4 weeks depending on usage Mineral cartridge lasts up to 4 months Reduces maintenance time by up to 50% Cost-effective alternative to daily bromine dosing
Universal Compatibility
Works with all major hot tub brands including Bullfrog Spas, Jacuzzi, Sundance, Hot Spring, and Caldera Compatible with most spa models up to 600 gallons Perfect for both new and existing hot tub owners No modifications to plumbing or equipment required
Product Overview
How Does the FROG Serene System Work?
The FROG Serene Floating System uses a unique two-part approach to hot tub sanitation. The floating dispenser holds a pre-filled bromine cartridge and a mineral cartridge. As water flows through the system, it releases a controlled amount of bromine sanitizer along with FROG minerals that help condition the water.
This combination means you use less bromine while achieving better results. The minerals help destroy bacteria and create a reservoir of sanitizer, so your water stays cleaner longer between cartridge changes.
Frequently Asked Questions
-
FROG Serene uses bromine as its primary sanitizer, while FROG @ease uses SmartChlor (chlorine). Both systems incorporate FROG minerals for dual-action sanitation and softer water. Choose FROG Serene if you prefer bromine sanitization, have chlorine sensitivities, or want a gentler alternative to chlorine. Choose FROG @ease if you prefer chlorine-based sanitation. Both systems are equally effective and significantly easier than traditional chemical dosing methods.
-
The FROG Serene bromine cartridge typically lasts 2-4 weeks, depending on your hot tub size, bather load, and usage frequency. The mineral cartridge lasts approximately 4 months. This means you'll replace the bromine cartridge 4-8 times before needing a new mineral cartridge. The system provides visual indicators to help you know when replacement is needed, eliminating guesswork from your maintenance routine.
-
Yes! The FROG Serene floating system is universally compatible with virtually all hot tub and spa brands up to 600 gallons, including Bullfrog Spas, Jacuzzi, Sundance, Hot Spring, Caldera, Master Spas, Marquis, and many others. Because it's a floating system that requires no installation or plumbing connections, it works seamlessly with any spa. Simply place it in your hot tub water, and it begins working immediately.
-
Absolutely! Many hot tub owners switch from chlorine to bromine using the FROG Serene system, especially if they experience chlorine sensitivity or prefer bromine's gentler feel. To make the switch, you'll need to drain and refill your hot tub (you cannot mix chlorine and bromine residues). After refilling with fresh water, balance your pH and alkalinity, then add the FROG Serene system. Our team can provide detailed transition instructions to ensure a smooth changeover.
-
Yes, but far less frequently than with traditional bromine methods. While conventional bromine requires testing every 1-2 days, FROG Serene users typically only need to test weekly. We recommend checking bromine levels, pH, and alkalinity once per week using quality test strips. The FROG Serene system maintains consistent bromine levels automatically, but you'll still want to monitor pH and alkalinity to ensure optimal water balance.
-
Bromine and chlorine are both effective sanitizers, but they have different characteristics. Bromine remains stable at higher temperatures (making it ideal for hot tubs), has less odor, is gentler on skin and eyes, and works effectively across a wider pH range. However, bromine dissipates more slowly in sunlight and typically costs slightly more than chlorine. The FROG Serene system maximizes bromine's advantages while minimizing chemical use by 50%, making it an economical and effective choice for hot tub sanitation.
-
The complete FROG Serene Floating System includes the floating cartridge holder, one bromine cartridge, and one mineral cartridge. This gives you everything needed to start enjoying easier, more effective hot tub water care immediately. Replacement bromine cartridges are sold separately and should be purchased in advance so you always have them on hand when needed.
Related Products
