Spa Frog Serene Cartridge Refill Kit | 01-14-3856 Free 150 Gift Card 805-0238 O-Ring #238

805-0238 O-Ring #238

Compatibility: Perfectly sized and designed for use with Waterway Crystal Water Cartridge and D

32 oz | JMPURPLE032

Flip-top cap allows one-strip-at-a-time dispensing for convenience and reduced waste

it provides a protective shield for critical internal components such as the turbine drive

Spa Frog Serene Cartridge Refill Kit | 01-14-3856 Free 150 Gift Card 805-0238 O-Ring #238Spa Frog Serene Cartridge Refill Kit 01143856 The official **Spa Frog Serene Cartridge Refill Kit** from King Technology includes **1 blue mineral cartridge** and **3 yellow bromine cartridges**, designed for use with the Spa Frog Serene Floating or In line systems found in many hot tubs. Key Features: Mineral cartridge lasts up to 4 monthssoftens water and reduces bromine usage up to 50% Three bromine cartridges (150 g each) provide 24 weeks of