Find the Channel in a Bottomless Shot
Identify side-spraying and uneven flow as a channeling clue rather than a simple grind-size clue.
The cup tastes sour and bitter. Tap the clue that points to channeling rather than a simple recipe issue. A small side jet sprays from the right edge Correct. A side jet means water found a low-resistance path, so puck prep and evenness come before grind diagnosis. A centered amber cone forms under the basket A centered cone is usually the healthy part of the flow. The warning is the separate jet at the edge. The cup sits below the portafilter The cup catches the result, but it does not explain the uneven extraction. The portafilter handle is angled to…
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