Defect libraries and references
How to build and use defect libraries and sensory reference tools to train tasters, improve quality control, and ensure accurate defect detection in coffee.
Extraction bitterness
Kettles and temperature control
The role of kettles and temperature control in home brewing, and how to choose the right tools for precision and consistency.
PID control and temperature stability
How PID (Proportional-Integral-Derivative) controllers improve espresso machine temperature stability and extraction consistency.
Headspace measurement and consistency
Why measuring and maintaining consistent puck headspace is crucial for even extractions and how to achieve it reliably.
Sensory calibration for espresso
How baristas and tasters align their sensory perception of espresso to ensure consistent evaluation and recipe adjustments.
Pressure, temperature, and flow
How pressure, temperature, and flow interact to control espresso extraction and flavor balance.