Ever feel lost in the espresso grind maze? In this episode, we tackle the most frustrating variable: grind size. It's not just about finer or coarser; it's about surface area, flow rate, and contact time. Making a change can be wasteful and lead to inconsistent results due to grinder residue. We will guide you through the chaos, revealing how grind size is best for big adjustments, aiming for the right flow rate, and then other variables for fine tuning. Learn to wrangle the grind and unlock your best espresso.