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Coffee Knowledge

Origins, process, and everything in between.

What Is Acidity in Coffee?

The most misunderstood word in coffee. What acidity actually is, why it is not sourness, and what raises or flattens it between the tree and your cup.

Washed vs Natural Coffee

Two ways of getting the fruit off the seed, and why the choice shows up in your cup more clearly than almost anything else on the bag.

What Is a Cup Score?

Where a number like 86.5 actually comes from: the brewing protocol, the ten things being judged, and what the score does not tell you.

Arabica vs Robusta

Two different plants, not a good one and a bad one. What actually separates them — and why "100% Arabica" on a pack tells you less than you think.

What Is Specialty Coffee?

It's a grade with a number behind it, not a compliment a roaster pays itself. Here's what the number measures, and why it changes what's in your cup.