Espresso knowledge learning, why coffee powder should be compacted?
Last updated 2026-09-29 — The reason for compacting the coffee powder is that when using an Italian coffee machine, the hot water brewed has about 9 atmospheric pressure, which is very stressful. 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. So, if it's not compacted and flattened, the coffee
The reason for compacting the coffee powder is that when using an Italian coffee machine, the hot water brewed has about 9 atmospheric pressure, which is very stressful. 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 it is not compacted and flattened, the essence of coffee will not be extracted, or some parts will be over-extracted.
Share
Follow Coffee Search for the latest coffee updates. Reproduced from "Coffee Search"
Article URL: https://www.coffeesearch.net/coffee11940.html
Related Articles
- Beginners will see the "Coffee pull flower" guide!
- What is the difference between ice blog purified milk and ordinary milk coffee?
- Why is the Philippines the largest producer of crops in Liberia?
- For coffee extraction, should the fine powder be retained?
- How does extracted espresso fill pressed powder? How much strength does it take to press the powder?
- How to make jasmine cold extract coffee? Is the jasmine + latte good?
- Will this little toy really make the coffee taste better? How does Lily Drip affect coffee extraction?
- Will the action of slapping the filter cup also affect coffee extraction?
- What's the difference between powder-to-water ratio and powder-to-liquid ratio?
- What is the Ethiopian local species? What does it have to do with Heirloom native species?