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Find your next brewing adjustment

A visual, step-by-step check for a cup that is sour, bitter, weak or clumpy. Change one variable and keep useful notes.

Preparation diagram: record the setup, observe the cup, change one variable01 / DESCRIBE YOUR CUP

02 / Did you weigh the coffee and water?

These are troubleshooting hypotheses, not a taste test or equipment fault diagnosis. Follow the manufacturer’s instructions. Keep other variables stable and record what actually changes.

Save observations in my private brew journal →

Make the result your own

Choose the symptom and answer the preparation check. Try one change at a time, then record the result in your private notebook. This tool suggests an experiment, not a proven cause.

Useful next step

Check cups, leftovers and cost from one bag →

Free to use. You do not need an account.