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The FROG™ system* is bromine-based and is formulated to work effectively in warm water. The system is integrated into the shell of the spa where it works continuously.
Rather than measuring out chemicals, you simply replace the cartridge that lasts for weeks or months. The cartridge has a dial that you adjust depending on how often you use your spa. Bromine is easier on the skin and the FROG system requires fewer chemicals, making it easy to use your spa as often as you want. Combine the FROG cartridges with the optional FreshWater® III ozone system for the most effective water care on Hot Spot spas.
*This system is approved for use in the following countries: Austria, Denmark, France, Germany, Ireland, Italy, Norway, Portugal, Sweden, UK.