濾紙貼合濾杯重要嗎？ Is It Important That the Filter Paper Fits the filter?
Only when the filter paper is perfectly fit to the filter, then it can show the design effect of the filter. The ribs (also known as rib columns and water channels) inside the filter are different in length, thickness and form, all of which are designed for the brewing flow rate.
The main function of the ribs in the filter is to support the filter paper and guide the water flow. The grooves between ribs in the filter are conducive to the flow of air. In a space, the air flows smoothly upward, and the water flows downward. Therefore, the rib design of different filters affects the speed of water flow in the filter, the extraction rate, and the change of flavor. It also means that the more the filter paper coincides the filter, the better the brewing effect of the filter design can be achieved.
Tips for getting the filter paper to fit the filter
1. Fold up the side joints of the filter paper
When the filter paper is put into the filter, the two should be as close as possible
2. Wet the filter paper to help fit it to the filter
a. Wet the center first and fix the center
b. Then wet the folded edge and let it stick to the filter first (hands can hold the opposite side of the folded edge)
c, and then pouring water in circles to fit the paper edge
The degree of perfect fit between the filter paper and the filter is easily overlooked by many people. Only by fitting the filter paper to the wall of the filter can the maximum effect of the filter on the extraction design be achieved. In addition to helping to fit the filter, wetting the filter paper also has the effect of removing the smell of paper and warming the cup. Simple step can meet three needs at a time and can make coffee extraction more stable. You can pay more attention to this part when you brew pour-over coffee next time.
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