FROG® Serene Cartridge Kit | 1 Bromine + 1 Mineral Brand_Energy Parts Plus Materials: Plastic

Materials: Plastic

Foldaway stainless steel probe

2 x AAA Duracell® Batteries

Crafted from durable ceramic materials

part number 812-3811

FROG® Serene Cartridge Kit | 1 Bromine + 1 Mineral Brand_Energy Parts Plus Materials: PlasticThe FROG Serene Cartridge Kit is the multi pack refill for FROG's bromine based Serene system one bromine cartridge and one mineral cartridge, giving you approximately four months of water care supply for a single hot tub. It works with both the FROG Serene Floating System (the dispenser that floats in your spa) and the factory installed FROG In Line System built into many hot tubs. The math is straightforward. Each Serene bromine cartridge lasts 24