NEW! DOSING TECHNOLOGY
Liquid Just
Got Smarter.
Experience the most intelligent salt system on the planet, now with Precision Dosing.
NEW! DOSING TECHNOLOGY
Liquid Just
Got Smarter.
Experience the most intelligent salt system on the planet, now with Precision Dosing.
FreshWater® IQ is the key to getting the maximum benefit possible from your hot tub by helping to keep your water clean, clear, and balanced. With smart technology at work, your spa is always ready when you are.
Water Care That Works For You
24/7 WATER MONITORING
Our FreshWater IQ Smart Monitoring System regularly monitors your spa’s pH, chlorine, and salt levels, displaying updates and step-by-step guidance to your spa’s touchscreen or your smartphone.*
24/7 WATER MONITORING
Our FreshWater IQ Smart Monitoring System regularly monitors your spa’s pH, chlorine, and salt levels, displaying updates and step-by-step guidance to your spa’s touchscreen or your smartphone.*
ONE-TOUCH CHEMICAL DOSING
With a tap, our new Dosing System dispenses the right amount of pH Up, pH Down, or Phosphate Remover, making it easy to balance your spa water.
BUILT-IN SALT-TO-CHLORINE GENERATION
Our patented FreshWater IQ Salt System automatically converts salt into chlorine, reducing harsh chemicals while keeping water fresh, soft on skin, and gentle on eyes for up to a full year.**
SMART RECOMMENDATIONS WHEN WATER NEEDS ATTENTION
FreshWater IQ does the thinking for you. Smart alerts and step-by-step recommendations mean less time maintaining your spa and more time enjoying it.
ENJOY CLEAN, BALANCED WATER
Fully integrated and intelligently designed, the FreshWater IQ System delivers crystal-clear, soak-worthy spa water with less effort.
Three Innovative Technologies. One Seamless Experience.
FreshWater IQ combines three game-changing innovations, FreshWater Salt, Smart Monitoring, and new Dosing Systems into one integrated solution.
FreshWater IQ (Salt System with Smart Monitoring and Dosing) is available on Highlife® and Limelight® Collection spas only. The FreshWater IQ Salt System is available on Hot Spot® Collection spas. FreshWater IQ is not available on Freeflow® Collection spas. Please refer to the compatibility chart below for details.
Benefits of FreshWater IQ.
EFFORTLESS WATER CARE
Enjoy more relaxation with less maintenance, longer-lasting water, and fewer manual adjustments.
CLEAN, SOFT, AND CLEAR WATER
Experience consistently fresh, natural-feeling water that looks and feels great.
SMART, WORRY-FREE CONTROL
Stay in control with 24/7 monitoring and remote access that takes the guesswork out of spa care***.
EFFORTLESS WATER CARE
Enjoy more relaxation with less maintenance, longer-lasting water, and fewer manual adjustments.
CLEAN, SOFT, AND CLEAR WATER
Experience consistently fresh, natural-feeling water that looks and feels great.
SMART, WORRY-FREE CONTROL
Stay in control with 24/7 monitoring and remote access that takes the guesswork out of spa care***.
Enhance Your FreshWater IQ Experience with the New Hot Spring® Spas App.
TOTAL CONTROL. TOTAL FREEDOM.
With the app, you can:
- Monitor pH, chlorine, and salt levels
- Trigger water care dosing from your phone
- Adjust lighting, temperature, and jet strength
- Activate Clean Cycle or Energy Saving Mode
- Manage a spa at a second home or rental property
- Chat with your AI-powered support assistant—24/7
Whether you’re home or away, peace of mind is always within reach.
1. FreshWater IQ is required to use these functions.
The Hot Spring® app works with the Connected Spa Kit, a dealer-installed option available on most 2024 and newer Hot Spring spa models. Spa must be within 200 ft (61 m) of your Home Wi-Fi router to work. Ask your dealer for details. Optimized for smartphone use only, not recommended for tablets.
Do I Need the App to Use FreshWater IQ?
Your spa’s control panel has everything you need to use FreshWater IQ. The Hot Spring® app takes it to the next level, giving you remote control and extra features.
Your spa’s control panel has everything you need to use FreshWater IQ. The Hot Spring® app takes it to the next level, giving you remote control and extra features.
Balance Your Water from Anywhere with Precision Dosing.
The Hot Spring® Spas app puts expert water care at your fingertips. Monitor water chemistry and apply Precision Dosing with a tap, keeping your spa water clean, fresh, and balanced.
What People Are Saying. Real Owners. Real Peace of Mind.
Everything from delivery to set up went great! Love the IQ System, water feels wonderful and easy to maintain!
Watch FreshWater® IQ & the Hot Spring Spas App in Action.
FreshWater® IQ & App Availability by Spa Collection.
Highlife® Collection
Salt System1
Included
Smart Monitoring2
Included
Dosing3
Ready
App4
Optional
Limelight® Collection
Salt System1
Ready
Smart Monitoring2
Ready
Dosing3
Ready
App4
Optional
Hot Spot® Collection
Salt System1
Ready
Smart Monitoring2
Not Available
Dosing3
Not Available
App4
Optional
Freeflow® Collection
Salt System1
Not Available
Smart Monitoring2
Not Available
Dosing3
Not Available
App4
Not Available
1. Salt System generates chlorine from salt to keep water clean, fresh, and natural-feeling with fewer chemicals required.
2. Smart Monitoring System checks pH, chlorine, and salt levels hourly and provides clear instructions to keep water balanced.
3. With a tap, Dosing System distributes pH Up, pH Down, and Phosphate Remover to balance water automatically.
4. The Caldera Spas App provides water care updates and allows you to monitor and balance your water anywhere, anytime with a touch.
Add FreshWater Salt, Smart Monitoring, Dosing, & the Hot Spring Spas app powered by the Connected Spa Kit for the full FreshWater IQ experience. Each sold separately. See your local dealer for pricing.
Tools & Resources
Owner's Manual
Get the information you need to get FreshWater IQ up and running.
FAQS
Get answers to common questions for FreshWater IQ.
INFORMATIONAL VIDEOS
Watch videos for easy-to-follow instructions for setting up FreshWater IQ.
