Frog Serene Cartridge Kit

FROG® Serene Cartridge Kit for Hot Tubs

Keep your spa water clean, clear, and perfectly balanced with the FROG® Serene Cartridge Kit. This convenient all-in-one kit includes a mineral cartridge and bromine cartridges designed to work together to provide reliable spa sanitation with minimal effort.

The mineral cartridge helps condition the water and improve comfort, while the bromine cartridges provide consistent sanitizer release to eliminate bacteria, odors, and contaminants. Designed for use with the Spa FROG Serene Floating System or factory-installed Inline Systems, this kit offers adjustable settings for customized water care.

What's Included

• 1 × Blue Mineral Cartridge – Replace every 4 months
• 3 × Yellow Bromine Cartridges – Each lasts 2–4 weeks

Key Benefits

• Complete spa sanitizing solution with minerals and bromine
• Easy-to-use cartridge system with no measuring required
• Adjustable release settings for customized spa care
• Helps maintain clean, clear, and comfortable spa water
• Reduces odors and helps eliminate bacteria and contaminants

Compatibility

Compatible with Spa FROG Serene Floating Systems and many factory-installed Spa FROG Inline Systems.