Brew parameters

Fines

Also known as fines · polvo de molienda · coffee fines · partículas finas

Molinillo y granulometría: finos que alteran el flujo

What it is and what sets it apart: Fines are the fine tail of the size distribution—not the same as a “fine grind” setting. Blade grinders make more; good burrs reduce but don’t erase them.

How it’s used or measured: See them as filter sludge or fast bitterness. Mitigate with better grinder, WDT, and not grinding finer to “fix” everything.

Flavours and cup impact: Too many fines: bitterness, stall, channels. Benefit: why two “same” grinders taste different.

Technical notes: Linked to burr bimodality and espresso basket sensitivity.

Common mistakes: Blaming only temperature. Expecting clean espresso from blades. Confusing fines with fine-grind setting.

In Cafesito

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