FROG Serene Mineral Replacement Cartridge plus 4 Bromine Cartridges for use with FROG Serene Floating Sanitizing Spa System or Hot Tubs with the FROG Inline Cartridge System

FROG Serene Mineral Replacement Cartridge plus 4 Bromine Cartridges for use with FROG Serene Floating Sanitizing Spa System or Hot Tubs with the FROG Inline Cartridge SystemFROG Serene Replacement bundle for the FROG Serene Floating System or FROG Inline System (an approximate 4 month supply). This Value Pack includes: 1 FROG Sanitizing Mineral Cartridge (lasts approximately 4 months) 4 Bromine Cartridges (last up to 4 weeks each) Free Shipping within the contiguous 48 States Say goodbye to complicated hot tub maintenance and hello to crystal clear, fresh mineral water. Compatible with the FROG Serene Floating System for

500 gallons 12 tabs 24 tabs 36 tabs

A clean filter is essential for clear water because it helps trap particles

helping your cartridge-based system begin with properly shocked water

Do not enter the spa if chlorine levels are above 5 ppm

Add With Pump Running

where controlling phosphate levels can help support better system performance and equipment protection

or another spa sanitizer format

What does BioGuard Optimizer do

much more with FROG Serene – where science meets simplicity for the ultimate in spa water care

This 12 lb size is a strong choice for pool owners who want a larger maintenance supply without moving all the way to an oversized bucket

The FROG Balancing Basics Kit is used to help balance hot tub and swim spa water by adjusting pH

while 14 oz is more compact and 5 lb is better for frequent or larger-volume use