The FROG® Serene™ Kit (01-14-3856) is the matched refill for Serene floating and in-line systems: three bromine cartridges and one mineral cartridge — roughly a season of bromine water care in one box.
- 3 × Serene Bromine Cartridges — 2–4 weeks each
- 1 × Mineral Cartridge — up to 4 months
- Fits Serene / Spa FROG floating Lilypads and in-line wells
Download the FROG Water Care app!
List MinnSpas as your Dealer — Zip Code 55124
Now available on the App Store and Google Play:
Questions? FROG’s water care experts are at 1-800-222-0169 — or call us at MinnSpas: we run these products in our own store and spas.
FROG Serene Kit FAQs
Around three months of normal use — swap bromine cartridges as your strips call for it and leave the mineral cartridge in place the whole time.
Yes — once a month with FROG Maintain non-chlorine shock keeps bromine efficient and water clear.
Yes — we stock the full FROG line in our Minnesota store, about 20 miles from where King Technology makes it, and ship fast nationwide.
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