Frog Serene Spa Mineral & Bromine Cartridge Refill Kit (01-14-3856)

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:

• Spa Frog Serene Floating System

• Spa Frog In-Line System

• Most hot tubs using an integrated Spa Frog housing

What’s Included:

• (1) Spa Frog Mineral Cartridge

• (3) Spa Frog Bromine Cartridge
  

Key Benefits:

• Helps maintain fresh, clear water with reduced chemical usage

• Mineral system softens water for improved comfort and reduced odors

• Easy-adjust dial for customized bromine release

• Simple replacement process — no measuring or mixing required

• Helps support long-lasting spa water balance

Usage Notes:

• Replace Mineral Cartridge every 4 months

• Replace Bromine Cartridge every 2–4 weeks, depending on spa size and usage

• Always follow spa manufacturer and Spa Frog instructions