FROG Mineral Cartridge - For @ease Smartchlor and Serene In-Line Systems Caldera cold plunge filter The Essentials Hand Skimmer Net

The Essentials Hand Skimmer Net with Handle makes it easy to retrieve leaves and other debris such as leaves and other objects you don't want in your spa or pool water

reading materials to be within easy reach

Blue Top Filter has a life expectancy of approximately 1 year if maintained properly

Freshwater™ Salt System Replacement Cartridge (Single) for Caldera and Hot Spring hot tubs that use the in-line Freshwater salt system

swim spas and swimming pools

FROG Mineral Cartridge - For @ease Smartchlor and Serene In-Line Systems Caldera cold plunge filter The Essentials Hand Skimmer NetThe FROG Mineral Cartridge is the blue cartridge that is used in both FROG @Ease SmartChlor (Chlorine) and Serene (Bromine) In Line Systems. The FROG blue Mineral Cartridge is replaced every 4 months. The FROG system will not work correctly if the blue mineral cartridge is more than 4 months old. For use in: FROG @ease SmartChlor in line system FROG Serene (Bromine) in line system Please Note: FROG makes blue mineral cartridges that say @ease and