Calibration for espresso vs filter
How to calibrate a grinder for espresso versus filter coffee, and why the grind requirements differ between methods.
Grind coarser
Common failure modes
The most frequent causes of failed espresso shots, how to recognize them, and how to correct them quickly.
Dial-in order of operations
A systematic approach to dialing in espresso by adjusting key variables in the correct order for efficiency and consistency.
Troubleshooting bitterness and sourness
How to diagnose and correct the most common off-flavors in filter coffee: bitterness and sourness.
Brew ratio and dose/yield math
How to calculate and adjust brew ratios, dose, and yield to achieve consistent extraction and desired cup strength.