Hero image 0 of FROG Serene Replacement Bromine Cartridges for Use with Hot Tub FROG Serene Floating Sanitizing System - Prefilled for Quick & Easy Hot Tub Maintenance - 4 Pack, 0 of 7
FROG Serene Replacement Bromine Cartridges for Use with Hot Tub FROG Serene Floating Sanitizing System - Prefilled for Quick & Easy Hot Tub Maintenance - 4 Pack
Key item features
- System Compatibility: Designed for use with FROG Serene floating and in-line hot tub sanitizing systems.
- Enhanced Sanitation: Bromine cartridges sanitize water in conjunction with FROG Sanitizing Minerals, reducing bromine use by up to 50%.
- Extended Duration: Each cartridge lasts 2 to 4 weeks, and empty cartridges are recyclable.
- Gentle Water: Supports cleaner, clearer water that is gentler on skin, swimsuits, and hot tub surfaces.
- Bromine Benefits: Bromine dissolves slowly, is easier to regulate, has fewer odors, and is less affected by pH swings.
- Effortless Maintenance: Prefilled cartridges offer quick and easy installation for convenient hot tub management.
- Water Expertise: FROG has over 25 years of experience with patented Mineral Technology for easier water care.
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Specs
- Compatible modelsFROG Serene
- CompatibilityFROG Serene
- BrandFROG
- Count4
- Has written warrantyNo
- Pool filter cartridge typePool Filter Cartridge
Current price is USD$63.80
Price when purchased online
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Arrives by Thu, May 28
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Sold and shipped by Pattern|Pro Seller
4.678422596079642 stars out of 5, based on 12996 seller reviews(4.7)12996 seller reviews
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About this item
Product details
Keep your hot tub in great condition and ready for use with FROG Serene Bromine Replacement Cartridges. These high-quality replacement cartridges are specifically designed for FROG Serene hot tub systems, ensuring seamless integration and optimal performance. Experience enhanced water sanitation with the complete FROG Serene Sanitizing System of Sanitizing Minerals and a low level of bromine to effectively eliminate organic matters. This innovative approach reduces bromine use by up to 50%*, making the water gentler on your skin, swimsuits and the surfaces of your hot tub. Say goodbye to harsh chemicals and enjoy a more comfortable and enjoyable soak every time. Bromine slowly dissolves in hot water so it’s easier to regulate, has far fewer odors and is less impacted by pH swings, making hot tub sanitizing more effective. Designed for convenience and longevity, each bromine cartridge lasts between 2 to 4 weeks, minimizing the need for frequent replacements. The prefilled cartridge allows for quick and easy installation and is recyclable when empty. Upgrade to the FROG Serene Sanitizing System with FROG Serene Mineral Cartridges (sold separately) and FROG Bromine Cartridge replacements today and enjoy effortless hot tub management with superior sanitation and water quality. For more than 25 years, FROG has sanitized pools, hot tubs and swim spas with its innovative, patented Mineral Technology that makes water care easier. FROG's prefilled cartridges mean no mess, no guess and no stress water care for your pools, hot tubs and swim spas. Each FROG product helps make your water cleaner, clearer, softer and easier. No matter what size pool, hot tub or swim spa you have, FROG has a solution for it. *Compared to the minimum ANSI recommended bromine level of 2.0 ppm for a residential hot tub.
- Cartridges for Hot Tub Maintenance: FROG Serene Bromine Replacement Cartridges are designed for FROG Serene floating and in-line hot tub sanitizing systems
- Enhanced Sanitation with Bromine Cartridges: These cartridges sanitize the water along with FROG Sanitizing Minerals
- Long-Lasting Cartridge Use: Each FROG Serene Bromine Cartridge lasts 2 to 4 weeks, and when used with FROG Minerals, reduces bromine use by up to 50%*; once the cartridges are empty, you can recycle them
- Support Cleaner Hot Tub Water: Our FROG Serene Bromine Replacement Cartridges support cleaner and clearer water, making the hot tub water easier on skin, swimsuits and your hot tub’s surfaces
- Water Care Expertise: FROG has more than 25 years of experience making water care easier & keeping pool, hot tub and swim spa water sanitized; FROG's patented Mineral Technology and prefilled cartridges create cleaner, clearer, softer water
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Specifications
Compatible models
FROG Serene
Compatibility
FROG Serene
Brand
FROG
Count
4
Warranty
Warranty information
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
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Showing 1-1 of 1 review
May 10, 2026
DianeS
5 out of 5 stars review
Great for hot tub easy maintenance
The frog system is easy to set up and use. Great for hot tub beginners. Directions clearly state at which setting to set for your size of tub. Keeps water clear and soft as our water is hard do I can feel a softness to the water.
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