The Best Water Temperature For Your Spa!

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As a new Cal Spas hot tub owner, it’s important to test out different water temperatures from the get go. While 104° is an acceptable maximum, we believe that the ideal temperature is 102°. Quick Spa Parts makes it easy to monitor the temperature of your spa, with floating thermometers.


  • The majority of hot tub users prefer a water temperature in the range of 100°F-102°F.
  • 104°F is the standard maximum temperature, which some users also prefer.
  • Be sure to consult a physician before getting in the hot tub while pregnant.
  • Children under the age of 5 should not be in hot tubs over 95°F, and should only remain in hot tubs for 5-10 minutes at a time.


Identifying the proper temperature for your Cal Spa is essential to getting the most out of your hot tub experience. We recommend experimenting with various water temperatures while the entire family is present. Once you find an agreed upon temperature keep it within that range, as continuously raising and lowering the heat can increase operational costs and add wear. According to the US Consumer Product Safety Commission, the water temperature of a hot tub is best between 100°F and 102°F.

Make sure your spa stays at the ideal temperature of 102°F with a thermometer from Quick Spa Parts.

Cal Spas replacement parts are available exclusively at Quick Spa Parts. For more information on Quick Spa Parts, please visit:

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