How To: Pre-Infusion on E61 Brew Group Espresso Machines

by Marc Buckman Updated: July 26, 2022 1 min read
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Updated for 2022

Marc from WholeLatteLove.com shows you how to test pre-infusion, covers misconceptions and discusses potential differences when using reservoir fed machines versus machine fed by a plumbed in waterline.

Marc Buckman
Marc Buckman

Marc is one of Whole Latte Love's resident experts on everything coffee. He built our YouTube channel from the ground up in 2009, demystifying the world of coffee for upwards of 250k subscribers by producing over 1,600 in-depth videos. Marc enjoys hiking, scuba diving, and saving the lives of his coworkers when the kitchen runs out of coffee by sharing some of his own.