How Do You Calibrate A Mastrena Espresso Machine?
The Ristretto is made by extracting 2/3 of an ounce of water through a single dose (1/4 ounce) of coffee, using the single group handle. Since an espresso extraction should be calibrated to 30 seconds , the Ristretto extraction will take about 20 seconds. What is the calibration time of espresso machine? The Ristretto is … Read more