Caldera Freshwater IQCaldera Freshwater IQ (small)
Ground-Breaking

Liquid Just
Got Smarter.

Introducing FreshWater® IQ,
the most intelligent salt water system on the planet.
Ground-Breaking

Liquid Just
Got Smarter.

Introducing FreshWater® IQ,
the most intelligent salt water system on the planet.
FreshWater IQ is an in-line self-monitoring salt system that tells you what it needs to maintain clean, natural-feeling water, with less time and effort. Because we believe your hot tub should take care of you, not the other way around.

Made for Hot Spring Spas, FreshWater IQ is available on 2024 Highlife® Collection and Limelight® Collection Spas.
Hourly Water TestingEasy-to-Follow InstructionsSoft, Natural-Feeling WaterHourly Water TestingEasy-to-Follow InstructionsSoft, Natural-Feeling Water

How It Works

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The Salt System automatically generates chlorine from salt to keep your spa water feeling naturally fresh and ready to enjoy.

The Smart Monitoring System automatically tests your water every hour and provides clear instructions when adjustments are needed for clean water.
SMARTER

We Put the IQ in Liquid

SMARTER

We Put the IQ in Liquid

Our patented smart monitoring technology, found only in the FreshWater IQ System, automatically tests your water every hour and is more accurate and dependable than test strips. It then provides clear recommendations when adjustments are needed. Relax, knowing your spa will tell you how to keep your water feeling naturally fresh and ready to enjoy!
CLEANER

Purity at the Push of a Button

CLEANER

Purity at the Push of a Button

FreshWater IQ uses the FreshWater Salt System to generate the perfect amount of chlorine. With fewer chemicals, water feels softer and gentler on eyes and skin, and can stay clean and fresh for up to a full year*, conserving water and saving money. Paired with our proprietary no-bypass filtration system, you are soaking in the cleanest water possible, each and every time.
SIMPLER

Finally, Water Care Made Easy

SIMPLER

Finally, Water Care Made Easy

Easy-to-follow on-screen recommendations tell you what to do to maintain clean, natural feeling water with less guesswork on your part.
BETTER

The Most Comprehensive Water Care System Available

BETTER

The Most Comprehensive Water Care System Available

Fully integrated and easy-to-use, FreshWater IQ delivers clean, natural-feeling water for The Absolute Best Ownership Experience®.

FreshWater IQ Compatability

Optional

Highlife® Collection

Our best, to unleash your best.
Simply the cleanest water courtesy of our factory-installed salt system and optional smart monitoring sensor.
Advanced filtration: 100% of your spa water filtered 100% of the time.
Patented jet system for the ultimate hydromassage.
Best-in-class energy-saving features to save time and money.
Optional

Limelight® Collection

Advanced design and features. A cut above.
Crystal clear water courtesy of our optional smart salt system.
Two-filter design for cleaner water with less effort.
Premium energy-saving features to save time and money.
Not Available

Hot Spot® Collection

Quality, performance, and value. Maximize your every day.
Built-in water sanitizing system for straight-forward maintenance.
Dependable energy-saving features to save time and money.

Spa Care Products

Watkins Water Enhancers

Spa Care Products

Make sure your spa stays at its best with water care products developed and approved for use with your Hot Spring spa.

FreshWater IQ Resources

Product Overview
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Quick Start Guide
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Find Your Perfect Spa

How to choose a hot tub that is right for you?

Choose Your Spa

Browse three distinct Collections with a wide range of models, sizes and features.
*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 up to a full year.
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