General knowledge of coffee matters needing attention when using semi-automatic coffee machine to make coffee
Coffee fragrance season, late autumn breezy afternoon, looking at the sun about to set, taste a cup of rich Italian coffee, is a kind of how comfortable life, more and more friends began to use high-end semi-automatic coffee machine extraction coffee, semi-automatic coffee machine with simple machine structure, reliable work, easy maintenance characteristics, but this also means that the operator's requirements are higher, only after strict training can use this machine to make high-quality coffee. Today, Xiaobian brings you the precautions for using semi-automatic coffee machines to make coffee, so that you can better use semi-automatic coffee machines to make high-quality coffee.
Notes on using semi-automatic coffee machine to make coffee:
1. Coffee powder should be finely ground.
2, according to the coffee machine to choose the appropriate amount of powder.
3, pressure powder,(it is recommended to buy a pressure powder rod, Taobao has a variety of diameters to sell) must be compressed, flattened, and then the powder knocked off.
4, brewing time, espresso generally in 20~30 seconds, when the outflow of coffee obviously thin white can be closed.
5, observe the crema(coffee fat) situation, good espresso will have a layer of reddish brown foam floating on the coffee surface, according to its condition to adjust the next production of coffee powder grinding degree, powder amount, time, etc., this depends on experience.
6. Before making, you need to open the machine for a period of time to preheat. The preheating time will vary according to different machines. Please refer to the manual.
7, warm cup, before making any coffee, please warm the coffee cup.
8, after the production, do not touch the water outlet directly with your hands, it is still very hot after 2 hours of natural cooling.
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