5 pack spa frog replacement cartridges, 4 bromine/ 1 mineral
Spa Frog Serene Mineral Sanitizers are the only mineral systems for spas that work with low levels of bromine for the highest water quality.
Mineral and bromine spa care.
- Cartridges work in the frog floating and in-line systems.
- Cuts bromine use up to 50%.
- Cuts maintenance time.
- Water feels softer with a crystal clear shine.
- Using less bromine helps reduce odors.
- Mineral cartridges last for a full 4 months before needing to be replaced.
- Bromine cartridges last for between 4-6 weeks and take just seconds to replace. (Bromine usage varies depending on spa size and number of spa users.)
The Power of Bromine And Minerals
SPA FROG Serene Mineral Sanitizer is the only mineral system for spas that works with low levels of bromine for the highest water quality. This five pack of Spa Frog Serene cartridges includes one long-lasting mineral sanitizer (blue cartridge) and four slow-release bromine sanitizers (yellow cartridges). One five-pack should keep your hot tub water safe, clean, and clear for a whole season of regular use. Bromine is a proven, effective sanitizing solution especially for people with chlorine sensitivity.
- Mineral and bromine spa care.
- Mineral Water System for spas up to 600 gallons.
- The Mineral Cartridge will last four months or until you change water. The Bromine Cartridges will last two to four weeks.
- Pre-filled cartridges so you don’t have to guess.
- Easiest water care system, no measuring or filling floaters with pucks.
- Eliminates bacteria with 50% less sanitizer.
- Our Bromine cartridges are recyclable.
Bromine systems require occasional doses of chlorine-free oxidizing shock to stay effective.