ThermoSpas Support and Troubleshooting

Contact Information:Service

Toll-Free ThermoSpas Store: 1-888-743-8121

Toll-Free Technical Support Department: 1-800-833-7727

Monday – Friday: 9:00 AM – 6:00 PM EST

Saturdays: 9:00 AM – 1:00 PM EST

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


Pre-Delivery Guide

Aquatic Series Owner’s Manual

Designer Series Owner’s Manual

Fitness Series Owner’s Manual

Genesis Series Owner’s Manual

Quick Start Water Balancing Sheet


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



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