*Factors such as bather load and water chemistry can impact water life. When the spa is properly maintained, a 3-pack of cartridges with the FreshWater® Salt System will keep water clean and fresh for a full year. Product availability depends on your region. Please check with your local dealer. When purchasing replacement Salt System Cartridges, beware of counterfeit product being sold on Amazon and other online marketplaces. To ensure authenticity, it is recommended to purchase from your local dealer.