Paper puck filters and channel control
How paper puck filters influence espresso extraction, reduce channeling, and affect clarity and mouthfeel.
High end
Taste mapping by profile style
How different espresso profile styles—pressure, flow, and temperature manipulations—map to sensory outcomes in the cup.
Grinder selection and alignment
How to choose the right grinder for home brewing and why burr alignment is critical for grind quality and consistency.
Flow profiling and needle valves
How flow profiling and needle valve systems give baristas precise control over water delivery and extraction dynamics in espresso machines.
Paper filters and puck screens
How paper filters and metal puck screens are used in espresso preparation to improve extraction, cleanliness, and consistency.
Particle measurement basics
How to measure and understand grind particle size, distribution, and its impact on extraction.