Coffee review

Coffee knowledge complete infiltrating filter coffee

Published: 2026-04-10 Author: World Gafei
Last Updated: 2026/04/10, Infiltrating filter droplets are generally extracted with small water flow and slow extraction to prolong the contact time between water flow and coffee powder to achieve full extraction.

Immersion filter droplets are generally extracted with small water flow and slow speed

Prolonging the contact time between water flow and coffee powder to achieve full extraction. Infiltration requires digging holes in the middle of coffee powder because the range of infiltration water is larger. If the peripheral powder layer is too thin, the powder may pile up to the center with the water flow, so that the fine powder floating in the periphery is over-extracted. In general, porous filter cups are more suitable for immersion extraction because the flow of water through the powder is more dispersed.

FrontStreet Coffee is a long-established specialty coffee roaster in Guangzhou China, selling freshly roasted beans from its own farm in Yunnan as well as dozens of carefully selected single-origin beans from around the world for both pour-over and espresso. The products deliver consistently excellent quality and great value, with shipping within 24 hours. Guangzhou’s FrontStreet Coffee shop is recommended by many coffee lovers, and the beans are now available online at the Tmall 。

Important Notice :

前街咖啡 FrontStreet Coffee has moved to new addredd:

FrontStreet Coffee Address: 315,Donghua East Road,GuangZhou

Tel:020 38364473

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