Coffee Extraction Explained
Extraction is how much flavor the water pulls from the grounds. Under = sour and weak; over = bitter and harsh; the 'sweet spot' is balanced. Grind, time, and ratio control it.
Our top pick
Burr Grinder
Sets extraction via size.
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Editorial note: this guide is compiled from published manufacturer guidance, general best practices, and aggregated owner experience — not hands-on testing. Always follow your machine’s official manual.
Quick comparison
| Pick | Why we like it | |
|---|---|---|
| Burr Grinder | Sets extraction via size. | View → |
| Scale | Controls ratio/time. | View → |
| Kettle | Controls temp. | View → |
Burr Grinder
Editor’s PickSets extraction via size.
- + Versatile
- + Cheap-ish
- − Slow
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Buying advice
Aim for 'balanced' extraction: even grind, correct ratio (1:16 filter), right temp (200F). Sour = extract more; bitter = extract less.
FAQ
Under-extracted?
Sour, weak, salty.
Over-extracted?
Bitter, harsh, dry.
Sweet spot?
Balanced - adjust grind and time.
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