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You are here: Home > Chemicals & Maintenance
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Chemical Packages Sanitizers & Purifiers Ozonators
Water Balancing Water Clarity Cleaning Products
Test Strips
Why you’ll be happier with ThermoSpas Chemicals in your Hot Tub:
• Precisely formulated to work better and safer
• Highest concentrations to save our customers money and time
• Made in the USA to exacting standards
• Rigorously tested prior to sale
• US Based Customer Care with experts to assist with any questions
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Hot Tub Filter Cleaner 1 qt Chlorinating Granules 2Lb Spa Activator (Shock) 2.2lb
Spa Filter Clean is specially formulated to eliminate suntan oil, grease, as well as scale and mineral deposits from spa filters of all types. Chlorine is the fasting acting sanitizer for correcting water problems so it is recommended to have on hand no matter what sanitizer you choose ongoing. Up to 4 times more active ingredients than many competitive formulations.
Natural and Clear 1 Qt Protection Plus 1Qt TruTest Digital Tester
Protection Plus
Price $17.99
Natural & Clear is a natural enzyme that breaks down the organics and contaminants in the water, purifying the water, helping to prevent oil slicks and common water scum lines. With low mineral content add 1 ounce per/100 gallons on initial fill and .5 ounce per/100 gallons weekly.  With high mineral content add 3 ounces per/100 gallons on initial fill and 1.5 ounces per/100 gallons weekly The combination of test strips and digital technology provides simple and accurate readings of sanitizer (both chlorine and bromine), pH, and total alkalinity.
pHin Smart Water Care Monitor and App

pHin is reinventing hot tub care with a WiFi-enabled smart monitor and a mobile phone app to take away the guesswork. Itís the perfect addition to your ThermoSpas hot tub and as easy as Monitor, Notify, Add!