Pressure: 7 to 11 Bar depending on the machine. Industrial machines set to 9 Bar ideally. Home machines set between 10 and 11 Bar. Attention! pressure cannot be adjusted in many home machines. Working with the default Bar is ok
Preparation
Turn on your coffee machine and let it warm. Grind 20 grs of coffee (Grind Size: fine)
Transfer the coffee to the filter holder, press delicately, keep it even and level. Insert the filter holder in your espresso machine and start the extraction. Use a scale to measure the extraction (always measure)
An ideal ratio should be around 20 grs in, 48-50 ml out in approx. 33-38 seconds
