Journal

Pour-over vs drip, minus the snobbery: what the research says separates them, and the five habits that make a drip...

Water Temperature Matters Less Than You Think

Trained tasters could barely tell 87°C coffee from 93°C at equal strength. What brew temperature does and does not control,...

Espresso Ratio: The Number That Runs Your Shot

What espresso ratio means, why 1:2 is a starting point and not a rule, how strength differs from extraction, and...

One Spritz of Water Before Grinding (the Static Trick)

Two drops of water before grinding kill static, cut mess, and make espresso shots more consistent. The RDT explained, with...

Turbo Shots: Fast Espresso Is Allowed

Turbo shots pull espresso in 15 seconds on purpose. The ZHAW research behind fast extraction, who gains the most from...

Cold Brew Ratios, and the Acidity Myth

Cold brew ratios for concentrate and ready-to-drink, why 8 hours of steeping is enough, and what the chemistry says about...

Why Grinding Finer Can Make Your Espresso Worse

Past a point, grinding finer lowers extraction instead of raising it. The physics of channeling, the signs you crossed the...

You May Never Need to Descale (Read Before You Do)

Scale comes from your water, not the calendar. How to tell whether your espresso machine really needs descaling, what it...

The Best Water for Coffee, Minus the Chemistry Degree

Water is most of your cup. What the Bath mineral study means for flavor, the SCA numbers in plain words,...

How to store coffee beans (and when the freezer wins)

Where to store coffee beans to keep them fresh, when the freezer beats the counter, and how to freeze the...