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Calibrate Your Tun (using hot water)

Use this to calculate strike water temperature and volume to obtain the correct target temperature of a single infusion mash. Add a volume of water close to your mash amount at a similar temperature. Measure the temperature after 5 minutes, then after 65.

1. Add the calibration data, use the calculated "Mash Tun Heat Capacity" and "Heat Loss Coefficient" fields for future brews in that vessel.

C
C
Litres
C
C
C
Litres
W/K

Calibrate Your Tun (using weight and material)

This method is less accurate than the above method but will give you a ball park figure to use in the mash calculations.

kg
cal/(g·°C)
Litres