- Mill Valley, California, United States
- US $3.95
- Jan 31st
RATTLEWARE MILK FROTHING THERMOMETER CALIBRATION TOOL This Rattleware milk frothing thermometer calibration tool should be used at least once a week on your milk steaming / frothing thermometer to ensure its accuracy. Size: 4" / 10 cm HOW TO USE THE CALIBRATION TOOL To calibrate your thermometer, you must use either boiling (212°F/100°C) or freezing (32°F/0°C) water, depending on the range of your thermometer.