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Extraction diagnostics
Also known as extraction diagnostics · diagnóstico de shot · shot diagnostics · lectura de extracción
What it is and what sets it apart: Differs from initial dial-in: ongoing habit of spotting drift in service and fixing with one lever (grind, dose or yield).
At the bar: Watch stream and blonding → check time/yield → taste → change one variable → verify the next shot.
Impact on the drink: Impact: fewer defective drinks, faster learning of the day’s coffee and alignment with SCA Intermediate/Professional standards.
Technical notes: Rules of thumb: sour/fast → finer or longer; bitter/slow → coarser. Log changes. Always use a scale.
Common mistakes: Changing three things at once. Ignoring channeling. Colour-only judgment. Skipping taste.
How to use
Work from a logged recipe, scale and a clean station.
Steps
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Prep equipment and confirm the target recipe.
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Perform Extraction diagnostics changing only one variable.
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Taste, clean and log the adjustment.
Tips
- Prioritise hygiene and consistency over speed.
In Cafesito
Save coffees to your pantry, brew with method and keep your diary.