07 Jul 2017
one way degassing valve tells you three ways to grind coffee beans. These three methods are rough grinding, moderate grinding and fineness grinding.
Rough grinding is a kind of grinding method suitable for sour coffee. Use this method to grind out the coffee powder will be like coarse sugar - coarse particles. This method is suitable for coffee infiltration pot, push coffee pot and so on, this method the coffee powder must be soaked in hot water.
Moderate ground coffee beans, grinding out the coffee powder about the thickness of coarse sugar and sugar powder. With this degree of grinding, the ground coffee powder can be used to brew coffee using filter paper brewing, flannel dripping, coffee maker, siphon extraction and so on.
If the fineness grinding coffee beans, then the coffee powder is close to the powder and the thickness of the powdered sugar. This coffee powder particle surface area is large, so it is suitable for bitter taste of coffee. This kind of grinding method suitable for Naples pot, boiled coffee and so on.
Grinding coffee beans, usually using hand grinding or mechanical one of these two ways. The commonality of these two approaches is the temperature at which grinding occurs. If you use a coffee machine, it may be due to improper operation, resulting in grinding the coffee powder temperature is too high, resulting in brewing coffee with miscellaneous taste. Therefore, using coffee machine grinding coffee beans, need to master the special skills.
Originally published 07 Jul 2017, updated 07 Jul 2017.
Remember to seal the packaging bag after taking some coffee out, so the one-way degassing valve would finish its job to keep the freshness of product.03 Jul 2020
Roasted coffee cannot be put directly into a sealed package, because the coffee need to "breathe", that is, the carbon dioxide gas will be released.26 Jun 2020
This is a hole punched before installing the degassing valve, which purpose is to discharge the CO2 released and avoid the oxidation of coffee.