The FROG® Mineral Cartridge (In-Line) is the mineral half of the FROG system: it kills bacteria with sanitizing minerals so your SmartChlor® or bromine cartridge can run at a much lower level — Fresh Mineral Water® that feels softer and smells cleaner. Fits built-in FROG In-Line wells.
- Lasts up to 4 months — replace with every fourth chlorine/bromine cartridge swap
- Reduces the chlorine or bromine your spa needs
- Easier on skin, surfaces and equipment
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 Mineral In-Line Cartridge FAQs
Every four months — a handy rule is one mineral cartridge for every four SmartChlor cartridges. Mark the date on the cartridge with a marker when you install it.
Yes — the mineral cartridge is the shared foundation of both @ease (SmartChlor) and Serene (bromine) in-line systems.
Yes — we stock the full FROG line in our Minnesota store, about 20 miles from where King Technology makes it, and ship fast nationwide.
Patrick B. (verified owner) –