How you pour matters more than most think. Water exiting a gooseneck kettle can be either:
An updated understanding of how astringent compounds are extracted.
Released through Scott Rao Coffee Books in 2021, the book is often described not as a casual coffee table book, but as a technical textbook. It provides a mental toolkit for baristas to understand exactly how their actions—like pouring turbulence or kettle design—affect the final flavor.
Where $C$ = concentration in water, $C_s$ = saturation concentration at particle surface, $A$ = surface area, $k_m$ = mass transfer coefficient.