Troubleshooting

A clear path for diagnosing sour espresso through extraction, grind, ratio, temperature, puck prep, and bean age.

Learn how to identify bitterness, separate it from roast flavor, and adjust extraction without overcorrecting.

Diagnose dry foam, flat milk, big bubbles, and separated texture with small technique changes.

Improve coffee with beans, water, grind, ratio, cleaning, and note-taking before spending money on another machine.

Brew moka pot coffee with less bitterness by managing water temperature, grind, filling, heat, and stopping time.