FROG Serene Mineral Cartridge is used with the FROG Serene Bromine Cartridge in either the Floating or In-Line System for complete water care that kills bacteria 2 ways and maintains cleaner, clearer, softer water that's easier to take care of. Simply set wide open to #6 and snap into one of the holders. If the In-Line snap into the top holder with the bromine on the bottom. Minerals will last 4 months.
N**.
Easy to use
Just what we needed.
D**H
Good quick service at a good price.
Will use again.
C**A
Easy
Easy way to take care of hot tub
A**L
Five Stars
Happy
B**N
Five Stars
basic stuff, it works
P**S
Great product! Will definitely buy again!
Spa is looking crystal clear! Great product!
J**E
On time shipping
Excellent service, price OK
Trustpilot
3 weeks ago
2 months ago
