What's the difference between coffee filter paper and filter cloth?-what does coffee filter paper use instead?

What's the difference between coffee filter paper and filter cloth?-what does coffee filter paper use instead?

The choice of appropriate filter paper can be made by considering the following four factors.

Hardness: filter paper will get wet during filtration. Some experimental steps of long-time filtration should consider using stronger filter paper after wet water.

Filtration efficiency: the density and size of the seepage holes in the filter paper affect its filtration efficiency. The filter paper with high efficiency has the advantages of fast filtration speed and high resolution.

Capacity: the solid particles accumulated during filtration may block the pores on the filter paper, so the denser the pores, the higher the capacity, the more filtration is allowed.

Applicability: some filter paper is completed by special production steps, such as nitrogen-free filter paper must be used in testing medicine to determine the content of nitrogen in the blood.

Note that the filter paper can not filter zinc chloride, otherwise the filter paper will be corroded and damaged by zinc chloride.

1, the development of coffee powder layer should be enough! In the initial water injection, the water column should be small and the circle should be slow! The aim is to achieve the slow upward development of the powder layer, so as to get a better flavor ~ if the powder layer can not develop upward or little, either the beans are not fresh, or the water injection is too big or too fast.

2. In the second stage of water injection, the water column should be slightly larger, in order to avoid the phenomenon of "stuffy powder" and excessive extraction, resulting in coffee flavor too mixed, bitter, astringent. By observing the flow rate of coffee dripping from the lower seat, you can judge that if it is too slow, increase your water column or circle it a little faster.

3, [color]: observe the color of the coffee crispy liquid flowing down under the same roasting degree of the same kind of beans because of different brewing methods! Usually the light color means that the water column you flush is too big or circle too fast, on the contrary, the color is dark, which means the water column is small, or the rhythm of the circle is slow. Adjust the method depending on the taste you want!