French press techniques and filtration
How to brew with a French press effectively and manage filtration to balance body and clarity.
Oils fines
Cloth, paper, and metal filters
How different filter materials—cloth, paper, and metal—affect flow rate, flavor clarity, and body in brewed coffee.
Calculating EY and TDS accurately
How to correctly calculate extraction yield (EY) and beverage strength (TDS) for precise quality control in coffee brewing.
Refractometer use and calibration
How to use and calibrate a coffee refractometer to measure TDS (Total Dissolved Solids) for quality control and consistency.
Optimizing for clarity vs body
How brewing variables can be adjusted to emphasize clarity or body in the cup, depending on desired flavor expression.
Filter permeability and resistance
How the physical properties of coffee filters affect water flow, extraction, and cup quality.