FreshWater™ Salt System

Experience the Best Spa Water Possible

What if you could spend more time enjoying your spa and less time maintaining it? With the Hot Spring® Freshwater™ Salt System, you’ve found your perfect ally for the ultimate in hot tub enjoyment and maintenance ease. Available on all Highlife® Collection and Limelight® Collection spas, this easy-to-use salt water system eliminates the worry of keeping spa water clean, clear, and sanitized for a full year.*

With just a little salt in your spa water, your Freshwater System generates chlorine automatically so you’ll spend less time measuring and adding chemicals. This unique system makes spa ownership easier than ever by removing the guesswork and hassle of water care maintenance. Enjoy user-friendly reminders from your hot tub control panel on when to replace your cartridge. You’ll benefit from:

  • More natural-feeling water with no itchy, dry skin or eyes
  • Fewer chemicals added and no harsh odors
  • Simple water care, meaning you will have more time to enjoy your spa
  • Water conservation by reducing spa drain and refills to once a year*


One of the primary concerns about owning a spa is water care. Watch this video to learn more on how the FreshWater Salt System can be ideal for your needs. Available only in the U.S.

How It Works

Experience the best salt water system for your hot tub. Unique, patent-pending technology utilizes the power of salt to provide you with pure, soft, clear water. The titanium cartridge creates chlorine from salt, sanitizing your spa water and reducing the need for chemicals. Use the control panel to set the system level needed to clean the water based on your usage needs.

Need a gentle reminder for spa maintenance? Your control panel will prompt you to check the water with a test strip every 10 days and adjust the system if needed. It also indicates when the system needs attention and instructs you on what steps to take. It’s truly that easy. Disposable cartridges last for four months and never need maintenance. Enjoy fresh, beautifully clean water for a full year, with only three cartridge changes. With the Freshwater System, you’ll eliminate the need for quarterly hot tub drainings.

The Freshwater System can deliver big benefits for both your time and your pocketbook. With fewer additives and less chemicals, your salt system allows your spa water to stay cleaner, longer. One 3-pack of FreshWater Salt System titanium cartridges gives you a year’s worth of water care.* Save on maintenance time, water usage, and chemical purchases, all while enjoying an unmatched spa ownership experience.

The disposable and maintenance-free titanium cartridge, hidden away in the spa, is easy to replace in just a few seconds, without tools.

*Many factors affect the life of spa water, such as bather load and water chemistry. When these factors are accounted for and the spa is properly maintained, the FreshWater Salt System will keep water clean and clear for a full year.

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