Dial In Like a Controlled Experiment

Dial-in is not guessing faster; it is learning faster. Plan the smallest useful change Start from the recipe and the cup. If the shot is fast, thin, and sour, the plan may be a finer grind. If it is slow, dry, and bitter, the plan may be coarser or a lower yield. Name the expected improvement before touching the grinder. Do one clean test Purge after a grinder change, keep dose and yield steady, and pull a shot you can compare. A messy puck, accidental dose swing, or missed yield target turns the test into noise. Check with numbers and…

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