Lesson 5 of 12 · Pulling and tasting
Puck prep that prevents channeling
Distribution, tamping and why even beds taste sweeter.
Water takes the easiest path. Clumps and uneven tamping create channels where water rushes through and other spots stay under-extracted.
Break up clumps, level the bed, tamp straight. A bottomless portafilter shows you what your prep is doing.