Channeling detection and mitigation
How to detect espresso channeling, understand its causes, and apply puck preparation techniques to prevent it.
Ensures uniform
Advanced agitation techniques
How different agitation methods influence extraction uniformity, clarity, and body in filter brewing.
Particle measurement basics
How to measure and understand grind particle size, distribution, and its impact on extraction.
Gas, airflow, drum speed controls
This topic covers how key roaster controls—gas (heat), airflow, and drum speed—affect roast development, bean temperature, and flavor outcomes.
Moisture targets (≈10–12%) and water activity
This topic explains the importance of hitting correct moisture content and water activity targets in coffee drying, why they matter for stability and quality, and how farmers measure and manage them.
Selective cherry picking and sorting
This topic explains the importance of selective cherry picking and sorting in natural (dry) coffee processing, and how these steps affect quality, consistency, and flavor.