Enjoy cleaner, softer, and more comfortable spa water with the Spa Frog Serene Cartridge Refill Kit (01-14-3856). This set includes the Mineral and Bromine cartridges designed for use with Spa Frog Serene Floating Systems and In-Line Cartridge Systems. The Spa Frog system helps maintain water clarity while using up to 50% less bromine compared to traditional spa care methods.
Compatible With:
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Spa Frog Serene Floating System
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Spa Frog In-Line System
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Most hot tubs using an integrated Spa Frog housing
What’s Included:
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(1) Spa Frog Mineral Cartridge
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(1) Spa Frog Bromine Cartridge
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Genuine Spa Frog replacement components
Key Benefits:
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Helps maintain fresh, clear water with reduced chemical usage
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Mineral system softens water for improved comfort and reduced odors
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Easy-adjust dial for customized bromine release
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Simple replacement process — no measuring or mixing required
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Helps support long-lasting spa water balance
Usage Notes:
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Replace Mineral Cartridge every 4 months
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Replace Bromine Cartridge every 2–4 weeks, depending on spa size and usage
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Always follow spa manufacturer and Spa Frog instructions