Cera Coffee Academy & Guide

    58mm Portafilters On the Go: Why Basket Size Changes Your Shot

    Portable espresso baskets are usually smaller than the 58mm commercial standard. Here's what basket diameter actually changes in the cup — and what it costs.

    26 ago 2026Da Cera+
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      9 Bar vs 20 Bar: What Espresso Pressure Numbers Actually Mean

      Espresso machines advertise 15, 19, even 20 bar. Espresso itself is brewed at 9. Here's why the bigger number isn't better, and which spec predicts your shot.

      26 ago 2026Da Cera+
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        Portable Espresso Battery Life: What mAh Actually Gets You

        The same battery can make 7 coffees or 500 — depending on one variable. How to read battery claims on portable espresso makers, and get more shots per charge.

        26 ago 2026Da Cera+
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          How to Dial In Espresso Without a Scale

          No scale, no timer, unfamiliar beans. A practical method for dialling in a good shot using only what you can see, hear and taste.

          26 ago 2026Da Cera+
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