Parts and Supplies Store: 1-888-743-8121
Technical Support Department: 1-800-833-7727
Monday – Friday: 8:00 AM – 6:00 PM EST
Saturdays: 9:00 AM – 1:00 PM EST
New ThermoSpas Owners
Start-Up Instructions – Click to access our start-up video; intended to get you into your hot tub and enjoying it right away.
Quick Start Water Balancing Guide – Our mobile-friendly guide covers basic water balancing and weekly maintenance that you can follow after your initial use.
Quick Start Water Balancing Sheet – Printable PDF version
Maintenance Support Articles
|Cloudy Water||Dirty Filter||Clean filter with filter cleaner|
|High TDS Levels||Drain and refill with fresh water|
|High pH or alkalinity||Check and adjust using pH/Alkalinity Down|
|High calcium count||Drain halfway and refill|
|Dissolved solids||Add clarifier to your water|
|High bacteria level||Shock with the sanitizer you currently use|
|Brown Water||High mineral count||Add Stain & Scale|
|Low alkalinity level||Test and add pH/Alkalinity Up|
|Low sanitizer level||Test and add sanitizers|
|Green Water||Algae growth||Shock with sanitizer|
|Yellow Water||Low pH||Add pH Up|
|White Scale Deposits||Low sanitizer level||Test and add sanitizer|
|Excessive Foaming||Soft water||Test and add Liquid Calcium|
|High TDS level||Drain and refill the hot tub|
|High contaminant level||Add one capful of Foam Away|
|Waterline Scum Ring||Inadequate filtration||Check and clean filter(s)|
|High content of oils||Add Natural and Clear|
|Pitting of Metal Fixtures||Low alkalinity or pH||Check and add pH/Alkalinity Up|
|Erratic pH Test Results||Low alkalinity||Add pH/Alkalinity Up|
|Sanitizer level too high||Remove cover and turn on bubbling system|
|Old pH indicator strip||Check expiration date on test strip and replace|
|Musty Odor||Bacteria/algae growth||Shock the water with sanitizers|
|Eye Irritation||Low pH level||Test and add pH/Alkalinity Up|
|Low sanitizer level||Test and add sanitizer|
|Skin Irritation||Low sanitizer level||Test and add sanitizer|
|Sanitizer irritation||After adding sanitizer always wait 20 minutes before entering hot tub|
|Water temperature too high||Reduce water temperature|
|Soaking too long||Soak for shorter intervals|
Troubleshooting – FAQs
What happens if I don’t change my ThermoClear™ cartridge in four months?
Which is better to use on a weekly basis with ThermoClear™: Spa Activator or Chlorine?
What should I do if my dog or cat jumps into the hot tub?
What happens if I put too much sanitizer into the water?
How can I reduce my sanitizer level?
Why does ThermoSpas recommend against the use of Biguanide or Copper-based Algaecides in my spa?
Can I change sanitizers?
Why can’t I use swimming pool chemicals?
Why are my pillows/headrests discolored or bleached out?
I have done everything I could and my water is still off-balance.
What can I do if the pH is my spa is high (over 8.0) and will not come down?
Do hot tubs with Ozonators require fewer chemicals?
Why do I need any chemicals if Ozonators work so well?
How do you prime a pump?
Why does 24-hour circulation pump turn on for 3 minutes then shuts off?
How do I change my filters if my pump circulation pump runs for 24 hours?
I am going away on vacation, should I winterize?
Why is my pump always running?
How do I troubleshoot an instant tripping breaker?
I have no pressure to one of my seats. What is the problem?
My pump isn’t working properly and it doesn’t seem to be pushing any water at all. What can I do?
I need a service appointment, but I’m only available after 5 PM. Is there any way that you can come later?
I have a brand new hot tub and it is leaking. I need a service technician right away.