First, the effect is different

1, coarse grinding: the contact between coarse grinding water and coffee powder is not enough, and the aroma of coffee cannot be brewed.

2, medium grinding: medium grinding water and coffee powder have good contact, without too many impurities and bitterness, and can bubble out the aroma of coffee.

3. Fine grinding: There is too much contact between fine grinding water and the surface of coffee powder, and it is easy to extract too many impurities and bitterness.

Second, the appliances are different

1, rough grinding: rough grinding is suitable for French filter press kettle.

2, medium grinding: medium grinding is suitable for hand-washing drip filter cups, American coffee pots, siphon pots.

3. Fine grinding: Fine grinding is suitable for mocha pots and hand-washed drip filter cups.

Third, the cooking time is different

1, coarse grinding: the cooking time required for coarse grinding is longer than that required for medium grinding and fine grinding.

2. Medium grinding: The cooking time required for medium grinding is longer than that required for fine grinding and shorter than that required for coarse grinding.

3. Fine grinding: The cooking time required for fine grinding is shorter than that required for medium grinding and coarse grinding.