Hot Spring water care
FreshWater Salt System
The FreshWater Salt System is the Hot Spring answer to the part of ownership people worry about most: keeping water clear without turning the backyard into a chemistry project.
Current pricing and next step
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Better water is what makes the tub easy to own.
A hot tub only becomes part of your life if the water is easy enough to keep ready. FreshWater Salt uses a replaceable cartridge and low salt level to generate sanitizer steadily inside compatible Hot Spring models.
How it works
A cartridge turns a little salt into steady sanitizer.
The system uses electrolysis inside a titanium cartridge. You still test water and balance basics, but the day-to-day sanitizer routine is much lighter than manual dosing.
- Low salt level, far less than a saltwater pool.
- Replaceable cartridge, typically several times per year depending on use.
- Designed for compatible Hot Spring spas.
- Dealer setup and owner walkthrough at startup.
FreshWater IQ
Smart monitoring makes the routine clearer.
Watkins now has FreshWater IQ and dosing resources that help dealers and owners understand startup, monitoring, and chemical decisions. ETHT should use that material in owner education and sales follow-up.
- Startup and dosing guidance.
- Owner education after delivery.
- Sales explanation before purchase.
- Water-care support when a customer gets stuck.
Useful paths
Where to go next
Highlife
FreshWater Salt is included on Highlife models, including Grandee, Envoy, Aria, Vanguard, Sovereign, Prodigy, and Jetsetter.
Open resourceLimelight
FreshWater Salt is available on Limelight models and is one of the most important upgrades to consider.
Open resourceHot Spot
Select Hot Spot models are FreshWater Salt ready. Ask for compatibility before choosing the model.
Open resourceFreeflow
Freeflow is not the FreshWater Salt lane. It wins on simple plug-and-play ownership.
Open resourceWater-care comparison
| Routine | Manual chlorine or bromine | FreshWater Salt |
|---|---|---|
| Sanitizer | Added by hand as levels change. | Generated steadily from salt by the cartridge. |
| Feel | Can swing when dosing is uneven. | Designed for softer, steadier water feel. |
| Owner effort | More frequent chemical attention. | Still test and balance, but less daily sanitizer work. |
| Compatibility | Works across many spas. | Built for compatible Hot Spring models. |
The buying path
01
Choose a compatible model
Highlife includes it. Limelight offers it. Hot Spot compatibility depends by model.
02
Let ETHT start it correctly
Startup matters. Salt level, cartridge, output, and balance should be set right at delivery.
03
Learn the owner rhythm
Test, balance, replace cartridges, clean filters, and bring water in when something feels off.
04
Use FreshWater IQ support
Smart monitoring and dosing resources should make owner follow-up easier.
Questions shoppers ask here
Is FreshWater Salt the same as a saltwater pool?+
No. It uses the same basic idea, salt converted into sanitizer, but at a much lower salt level and in a hot tub system designed for compatible Hot Spring models.
Does FreshWater Salt mean no chemicals?+
No. You still test and balance water. The system reduces the manual sanitizer routine, but it does not remove water care completely.
Which Hot Spring models include FreshWater Salt?+
Highlife models include FreshWater Salt. Limelight models offer it. Hot Spot compatibility should be confirmed by model.
Can ETHT help after delivery?+
Yes. Bring a water sample to the showroom or call if the water is not behaving. FreshWater is still easiest when the owner has support.
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