To measure temperature during kombucha brewing, an adhesive thermometer can be a very convenient option. This type of thermometer can be stuck directly onto the jar where the kombucha is fermenting, letting you monitor the temperature continuously without interruption.

Temperature is a crucial factor in kombucha fermentation, as it affects the activity of the microorganisms responsible for fermentation. Keeping the temperature within the ideal range, usually between 23°C and 27°C, is essential for fermentation.

The adhesive thermometer offers a convenient way to track this variable, but note that it may not provide readings as precise as more advanced thermometers. For more controlled, professional production, it may be worth considering more precise thermometer options.