Discover the saltwater chlorine generator that keeps your water clean for a year!

Your hot tub can be your daily wellness oasis. Early in the morning, you can rise and rejuvenate in the warm water. After dinner, you can prepare for a good night's sleep with a relaxing soak. Whether enjoying hydrotherapy alone or hosting friends and family, your hot tub can offer joyful experiences. Today, even water care—the one aspect of hot tubbing that requires a little bit of effort—is now simpler than ever.

When using a traditional spa water purification method, a hot tub owner has to make continual adjustments to maintain proper chemical levels in the water. Sanitizer is added weekly, and every three to four months the spa water should be drained and refilled. For people with busy lives, water maintenance can be difficult to schedule, so they may get out of the habit of hot tubbing, which means they can't take advantage of the many benefits regular hydrotherapy offers. But if you're looking to buy a new hot tub, there is a way to spend less time maintaining your spa and more time to enjoy it.

The new FreshWater® Salt System*, available on most Hot Spring® spas, removes water care as an obstacle to hot tub enjoyment. The FreshWater® Salt System is a salt water chlorine generator that allows you to soak every day and reap the benefits of daily hot tub therapy on your own schedule.


Saltwater chlorine generators have been available for several years and are popular with many hot-tubbers. Leading systems use an electrode to convert small amounts of salt into chlorine to sanitize spa water. Fewer chemicals are needed with these systems and, unlike bottled or powdered chlorine added to the water, chlorine generated from salt doesn't leave behind any residue or odor, so it doesn't irritate the eyes or cause itchy or dry skin.

Spa water purified by salt water systems lasts longer than water purified by traditional chlorine methods. While hot tubs that depend on traditional water care must be emptied and refilled every three to four months, the water in spas using salt water systems can last up to a year. But while traditional salt water systems are very effective, the new FreshWater® Salt System can be even better.


The new FreshWater® Salt System from Hot Spring does the same great job of keeping hot tub water fresh and clean, but it's even simpler to maintain. This system uses a titanium cartridge to generate chlorine from salt water. The disposable cartridge requires little or no maintenance and lasts up to four months, and owners can remove and replace it directly from the spa's bar top in seconds. The spa control panel will prompt you with instructions on confirming or adjusting the chlorine output every 10 days.

Cartridges are sold in packs of three, so a single trip to the dealer can keep your water clean for up to a year. Plus, since spa water lasts four times as long than water purified using traditional chlorine systems or other saltwater chlorine generators, hot tubbers no longer need to replace water several times a year. Spa water stays cleaned and sanitized for up to a year, so owners can take advantage of the environmental benefits of the FreshWater® Salt System.

With the FreshWater® Salt System, there's less need to manually add chemicals or call a technician for service. All a spa owner has to do to enjoy a relaxing soak is go outside, remove the hot tub cover, and step into the spa. The FreshWater® Salt System makes it easier than ever to use your hot tub every day. Hot tub owners who use their hot tubs more frequently are happier with their investment and see more of the positive wellness impacts of hot tub use in their lives.

Watch the below video to learn more about how to get started with our system or read our startup guide here.

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Hot Spring spas are designed to provide the Absolute Best Hot Tub Ownership Experience®. The FreshWater® Salt System is more affordable than other salt systems and makes water care simpler than ever before, so you can enjoy the wellness benefits of warm water immersion with less maintenance. To see our full line of hot tubs, download a brochure.

* The FreshWater® Salt System cannot be used on Hot Spring hot tubs manufactured prior to 2019.