Spa Frog Serene Floating System

The Spa Frog Serene floating system holds pre-filled mineral and bromine cartridges in a reusable floating holder, continuously sanitizing hot tub water with a combination of minerals and a low level of bromine.

Key Features

• Pre-filled, adjustable mineral and bromine cartridges
• Reusable floating holder
• Minerals plus low-level bromine sanitizing
• Recyclable bromine cartridges

What's Included

• Floating holder
• Mineral cartridge
• Bromine cartridge

Replace the bromine cartridge every 2-4 weeks and the mineral cartridge about every 4 months for continued effective sanitizing.