Wet, or washed, processing is popular in many Latin American countries, and can either be done by hand or using a machine. First, beans are sorted in water based on density; bad or unripe fruit will float, while quality cherries will sink. Then, four layers — the outer skin, pulp, parchment (or tough skin), and silver skin — are hulled and removed. The process helps to create a coffee that's clean and bright.
Washed, or wet, processing is one method.
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