How to clean coffee cups
Due to the quality of the coffee cup, the cup surface is tight, the pores are small, and it is not easy to attach coffee scale, so after drinking the coffee, as long as you rinse the cup with clean water immediately, you can keep the cup clean. After long-term use of the coffee cup or not immediately washed after use, so that coffee scale attached to the surface of the cup, at this time, the cup can be soaked in lemon juice to remove coffee scale. If the coffee scale can not be completely removed at this time, you can dip the neutral dishwashing agent on the sponge, gently wipe and clean, and finally rinse with clean water. In the coffee cup cleaning process, it is strictly forbidden to use hard brushes, but also to avoid the use of strong acid, strong alkali detergent, in order to avoid scratching damage to the surface of the coffee cup. Bone porcelain had better be washed by hand and dishwashing agent should be used as little as possible. The PH value of the detergent must be between 11 and 11.5. The water temperature is more than 70 degrees Celsius when washing the dishwasher and not more than 80 degrees Celsius when washing with clean water. Care must be taken not to soak the hot cup directly in cold water, lest the temperature changes rapidly and burst.
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The principle and method of milk foaming in the knowledge of coffee flower drawing
The basic principle of milk foaming is to use steam to hit the milk, so that the liquid milk into the air, using the surface tension of milk protein around to form a lot of small foam, so that the liquid milk volume expansion, into a foam-like milk bubble.
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Coffee filter cloth brewing method-- the brewing method favored by experts
Using the principle of "old soup to boil new medicine", this is a method favored by experts, because after the filtration cloth is used repeatedly, the oil of the coffee will be attached to the lines of the cloth, making the coffee more mellow and delicious. The advantage of using a cloth bag is that without stirring the coffee in the bag, all the coffee can be exposed to boiling water.
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