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Bottomless portafilter
Also known as naked portafilter · bottomless portafilter · bottomless · portafiltro sin fondo
What it is and what sets it apart: Bottomless = same tool as naked: no spouts, visible stream. Differs from spouted portafilters.
What it’s for and how to use it: Prep carefully → watch flow symmetry and early blonding → fix distribution/tamp/grind.
Cup impact or benefit: Faster puck feedback; fewer mystery astringent shots.
Technical notes: More splash—taller cup. Won’t fix an impossible grinder.
Common mistakes: Blaming only the machine for blonding. Running it dirty.
In Cafesito
Save coffees to your pantry, brew with method and keep your diary.