Learn how to clean and calibrate grinders such as the Mazzer Mini. The procedure shown in this video is similar on grinders by Rancilio, Compak and Macap. Performing this procedure will find your grinder's "Zero" setting for the finest possible grind. We also give you a look at what happens when a grinder is out of calibration which results in poor performance.

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Very helpful -- thanks for this video guys, been wondering how to best clean my Mazzer mini!