Section · gear
Coffee brewing gear, explained
How the equipment behind a measured brew works: scales, grinders and filters. These pages explain mechanisms and published measurements; the lab does not review or sell products.
ExplainerCoffee scales explainedWhat a scale actually measures, flow rate, timers — and a note on the PourX Oura.ExplainerCoffee grinders explainedBurr vs blade, flat vs conical, fines and particle size distribution, with UC Davis and peer-reviewed grinding studies.ReferenceCoffee filters: paper vs metal vs clothWhat each filter lets through, cafestol as four studies measured it and where they disagree, bleached vs unbleached paper, filter sizes, rinsing and the 1908 Melitta filter.