Fast Fixes
- Grind slightly finer.
- Extend brew time by 15 to 30 seconds.
- Raise water temperature toward 95 to 96 C.
- Use a lower ratio number (for example 1:16 instead of 1:17).
Extractions by Method
- Chemex: add one extra pulse pour and avoid rushing.
- French press: steep closer to 4:15 if needed.
- Moka pot: make sure basket is full and grind is not too coarse.
See also bitter coffee fixes and Chemex recipe.