Freshwater Salt System

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Freshwater Salt

Previously hot tub water care has been complicated, confusing and hard to manage. The revolutionary FreshWater® Salt System makes water care simple and intuitive so you can relax and experience the full wellness benefits that come from daily immersion in hot water. The unique and patented salt system automatically generates chlorine, keeping water clean and fresh up to a full year*.

Water Care Like No Other


Simple and intuitiveSimple And Intuitive

Easy-to-follow, onscreen instructions.
No guess work, just consistent, trouble-free operation.

Simple and intuitiveLonger-Lasting, Natural-Feeling Water

Water lasts up to a full year when properly maintained.
Gentle on eyes and skin. No harsh odours.

Simple and intuitiveEasy Spa Ownership

Water is always clean and ready to use.
Worry-free water care so you can relax.


Caldera Spas Freshwater Salt System

How Does It Work?

The FreshWater Salt System uses a maintenance-free, disposable cartridge to generate chlorine from salt. The cartridge lasts up to four months and can be easily replaced in seconds without tools or dealer assistance. Simply set the desired chlorine level with the touch of a button, and the system will automatically generate the appropriate amount of sanitiser, eliminating the guesswork of manual dosing.

With fewer additives needed, water can stay clean and fresh up to a full year* before needing to be drained and refilled.

*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 up to a full year.

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2024 All Swim Catalogue
A.J & J.L Veysey | Company registration no: 1061642 | VAT no: GB133 4078 90
All Swim Ltd, Units 3-5 Link Trade Park, Penarth Road, Cardiff CF11 8TQ