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GRINDERS — DEEP DIVE

If you can only afford one expensive thing, buy the grinder. The grinder defines particle size distribution, and particle size distribution defines extraction. Everything else is finishing.

FURTHER READING · 2 SOURCES
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Burrs

Flat vs conical burrs

Two geometries, two flavor signatures

Pixel art of flat vs conical coffee burrs

Flat burrs are two parallel discs; coffee is thrown outward by centrifugal force, producing a tight particle distribution. The cup tends to be brighter, more clear, with separated high notes. Conical burrs are a cone inside a ring; coffee falls through by gravity, producing a wider distribution with more fines and boulders. The cup tends to be heavier, sweeter, more chocolatey. Neither is better — they're different palettes.

CRAFT NOTE

Light Ethiopian on flat burrs sparkles. Dark Brazilian on conical drips like syrup. Match the grinder to what you drink most.