Coffee review

Why is my hand making coffee so bitter / sour? a picture makes your coffee talk.

Published: 2024-09-20 Author: World Gafei
Last Updated: 2024/09/20, The production method of hand-brewed coffee is very simple, basically according to the powder-to-water ratio at 1:15, the water temperature is 90-93 degrees, first wash filter paper, then cloth powder, finally brew, drip filtration, out of the cup, the total time to control in 2.5min. The grinding scale is not mentioned here because there are differences in grinding thickness between different brands of bean grinders, so it is impossible to give a unified value. So let's take a look at the changes in the parameters.

The production method of hand-brewed coffee is very simple, basically according to the powder-to-water ratio at 1:15, the water temperature is 90-93 degrees, first wash filter paper, then cloth powder, finally brew, drip filtration, out of the cup, the total time to control in 2.5min. The grinding scale is not mentioned here because there are differences in grinding thickness between different brands of bean grinders, so it is impossible to give a unified value.

So let's see how changes in various parameters affect the flavor of a cup of hand-brewed coffee:

With the refinement of the grinding particles, the bitterness, alcohol thickness and irritation of coffee will increase accordingly, which will also reduce the acidity; the higher the water temperature will increase the acidity, bitterness, alcohol thickness and irritation together; the effect of brewing time on acidity, bitterness and alcohol thickness is not significant, but the irritation will increase with time.

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