Extraction
Why high extraction can still taste flat
Baristas often celebrate higher numbers too quickly. This piece explains why a bigger extraction figure can still produce a dull cup when resistance and flow are poorly matched.
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Operational notes for serious coffee teams.
The BarFlow journal is written for people who need clearer brew decisions, calmer service routines, and better conversations between bar, roasting, and training staff.
Current themes
March focuses on extraction discipline, puck preparation, and the way water composition changes grinder decisions across the week.
- How to read flat cups without chasing the wrong variable
- Workflow standards that survive a busy till line
- Why water changes should alter grind decisions immediately
Extraction
Café Workflow
The quiet cost of inconsistent puck prep
Puck preparation looks minor until the café gets busy. The article maps how one neglected routine shifts shot time, confidence, and service consistency.
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Water & Grind
Water chemistry and grind size should be adjusted together
Many teams change mineral content and leave the grinder alone. That sequence creates confusion, because water composition changes how particles extract and present flavour.
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