ThermoSpas Customer Support

Contact Information:

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.

Water Care Quick-Start Guide – Our mobile-friendly guide covers basic water balancing and weekly maintenance that you can follow after your initial use.

Water Care Quick-Start Sheet – Printable PDF version

Pre-Delivery Guide

Maintenance Support Articles

5 Amazing Products to Clear Up Your Cloudy or Foamy Water

How to Fix Cloudy Hot Tub Water

How to Fix Soapy Hot Tub Water

What is Bio-Film and How to Get Rid of It

Cleaning Your Hot Tub Once It’s Drained

Cleaning Your Hot Tub Cover

How to Properly Drain Your Hot Tub

Using Hot Tub Water Test Strips

Hot Tubs 101 – Troubleshooting Water Problems

Owner’s Manuals

Aquatic Series Owner’s Manual

Designer Series Owner’s Manual

Fitness Series Owner’s Manual

Genesis Series Owner’s Manual


Problem Possible Cause Solution
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



  • thermospas hot tubs chemicals video

    ThermoSpas Offers a Great Selection of Hot Tub Chemicals

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The maintenance is so simple!... Easy care and maintenance leaves us more time to play in our spa instead of working on it.

Ben & Frances S.

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