Italian Coffee Tutorial: Why Use a Coffee Presser
Guide: if you do not use a coffee press to compact and flatten the coffee (to make the density of the coffee powder in the powder bowl as uniform as possible), the essence of the coffee will not be extracted, or some parts will be over-extracted.
We all know that when using an espresso machine, the hot water is brewed at about 9 atmospheres (of course, this is not a fixed value, there are 12 atmospheres or more), and the pressure is very high when the water penetrates the coffee cake. the water is inert. What is inertia, that is, water will penetrate through the weakest part of the coffee cake, not from the thickest place. Therefore, if you do not use a coffee powder press to compact and flatten the coffee (to make the density of the coffee powder in the powder bowl as uniform as possible), the essence of the coffee will not be extracted, or some parts will be overextracted.
Source: Internet
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Coffee utensils operation: introduction to the correct use of smart cups
How can you easily drink a cup of fresh coffee you like in the office, at home, or even on the road? If you are not a coffee expert, and if you find manual dripping and siphon pots too troublesome, you can also choose quick and convenient brewing utensils such as French presses, Ella presses and smart pots. The smart pot combines the advantages and disadvantages of French pressure kettle and hand punching, and is easy to use.
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Coffee knowledge: Al's Rule of Espresso extraction (Ayer's rule: sweet spot formula)
Introduction: Espresso extraction of Als Rule (Ayer's rule: sweet point formula) each increase in the amount of 5cc extraction, the extraction time should be subtracted from 1sec. On the contrary, add 1sec. Al Critzer's understanding of Espresso extraction has become the most common concept of Espresso in Europe and the United States. Based on the result that 30cc/ 30sec got a perfect Espresso.
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