Honey Refractometer Calibration kit with Honey Refractometer Calibration kit with

Calibration fluid for proper calibration of your honey refractometer to ensure accurate readings. The calibration fluid is hygroscopic. This means that if left open the fluid will absorb water vapor from the air and will give erroneous readings. Keep fluid tightly sealed when not in use. Make sure to read the directions for calibration of your specific refractometer. Some of them require a different process for calibration