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Patio drying

Patio drying spreads coffee on concrete or brick and rakes it to about 11 percent moisture. Why it dominates in Brazil, and how it compares to raised beds.

Patio drying spreads coffee on a large concrete or brick surface and rakes it regularly until it reaches about 11 percent moisture.

Why it dominates in Brazil

Capacity. A country producing a third of the world’s coffee needs to dry enormous volumes, and patios scale in a way raised beds do not.

Brazil’s dry harvest season also makes it reliable.

The weaknesses

Airflow only from above. Coffee in contact with a hot surface dries unevenly, and the bottom of the layer behaves differently from the top.

Ground contact risks contamination and off-flavors if the surface is dirty.

Temperature swings. Concrete gets very hot in the afternoon and cold at night.

Doing it well

Thin layers, frequent raking — sometimes hourly — and covering at night and in rain.

Versus raised beds

Raised beds dry from all sides, more slowly and more evenly, and are now standard for specialty lots. Patios remain standard for volume.

Brewing it

Nothing method-specific; drying quality shows as consistency rather than as a flavor. A carefully dried patio coffee simply tastes clean and stays fresh longer.

What you need to make it

The equipment this actually requires — not a shopping list, the shortest route to doing it properly.