Master Spas Salt System Activation Kit

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This will only work on Spas that are compatible with the Salt System - Starting in 2025, Twilight and Legend Series spas. Instruction Video: https://www.youtube.com/watch?v=c10fHro HJ5k Please note: You cannot use the eco pur mineral cartridge with this and will need to get Stand Alone filters that are compatible with your spa. Show more