Frog Serene Bromine Cartridge
Product Overview
For hot tub owners using the FROG Serene system, these prefilled cartridges provide a consistent, low-odor bromine delivery method.
The FROG Serene Bromine Cartridge (EPA Reg # 53735-16) contains 5.3 ounces of 98.0% 1-Bromo-3-Chloro-5,5-Dimethylhydantoin. This specific formulation is a proven choice for those who prefer the stability of bromine over chlorine in high-temperature spa environments. Designed for use in FROG floating or inline systems, it reliably handles sanitization by killing bacteria and reducing odors without the hassle of manual chemical measuring.
Benefits & What Makes It Different
98.0% Active Ingredient
Contains 1-Bromo-3-Chloro-5,5-Dimethylhydantoin to effectively kill bacteria and remove contaminants in hot tub water.
5.3 Ounce Prefilled Design
Eliminates the need for manual chemical handling or measuring, reducing the risk of spills and skin contact with concentrated bromine.
Extended Sanitization Cycle
Each cartridge is designed to last between 2 to 4 weeks depending on usage, ensuring your spa remains in optimal condition with minimal maintenance.
Product Details
1-Bromo-3-Chloro-5,5-Dimethylhydantoin: 98.0%
One 5.3 oz cartridge lasts 2-4 weeks; adjust dial setting to maintain desired bromine levels.
Compatibility
- FROG Serene Floating Systems
- FROG Serene Inline Systems
- Hot tubs maintained at pH 7.2-7.8
When To Use This
Pro Tip
Before installing a new cartridge, always ensure your pump and filter run for at least 3 hours per day to allow for proper chemical distribution throughout the spa.
Common Questions & Instructions
How long does a single FROG Serene Bromine Cartridge typically last in a hot tub?
In our experience, one 5.3 ounce cartridge lasts between 2 to 4 weeks, though this duration varies based on bather load and the specific dial setting on your FROG system.
Can I use this bromine cartridge in any hot tub or spa?
This cartridge is specifically engineered for use with FROG Serene floating or inline systems; you should ensure your equipment is compatible before installation for proper fit.
What water chemistry levels are required for the FROG Serene system to work effectively?
For the bromine to sanitize properly, you must maintain a pH between 7.2 and 7.8 and a total alkalinity between 80 and 120 ppm as per the manufacturer's directions.
Delivered today to your DFW neighborhood
Order this item by 2 PM Central on a weekday, and we'll have it on your driveway by evening. Same-day delivery is FREE to every ZIP in our DFW coverage area — no minimum — or it's free with our weekly service plan.
