Does Water Affect How Coffee Tastes?
The same coffee tastes different on two different waters, and the number behind the difference is alkalinity, not hardness. We went to Pensacola's own utility report t...
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Notes from the roastery: what we buy, how we roast it, and what we have learned building coffee programs on the Gulf Coast.
Tagged “acidity” · see all of Learn

The same coffee tastes different on two different waters, and the number behind the difference is alkalinity, not hardness. We went to Pensacola's own utility report t...

The dry, puckering finish in a cup is not a taste at all. Here is the mechanism, the compounds roasting builds, and what to change at the brewer.

Malic acid is really in the cup, and measured against its own detection threshold there is usually too little of it to pick out. Where it comes from, why it got the ap...

Low acid coffee describes how a cup tastes, not a lower pH. Measured brewed coffee lands between pH 4.85 and 5.13, so here is what actually moves acidity.

A light roast comes off the roaster just after first crack, and it is not stronger: a 2024 study measured 134 to 165 mg of caffeine at every roast level.

Sumatra Ribang Gayo runs banana, spiced rum and cedar over a heavy body. Pour over at 1:15 to 1:18, or a coarse French press at 1:12 for more weight.

East Africa Nya-Nye decaf is made with the chemical free Swiss Water Process. What stays in the cup, how much caffeine is left, and the grind to use.

ASCENT is the Inheritance house blend: burnt sugar, citrus and juicy sweetness. Espresso and filter ratios, plus why it holds its shape in milk.

Washed Burundi from Kigina hill runs blackberry, fig and dark chocolate. Grind, water temperature and ratio settings for V60, Chemex and French press.

Java Bukit Paniisan from Indonesia tastes of cocoa, peach and warm spice. Grind sizes by method, a 1:15 to 1:17 pour over ratio, and storage tips.

Ethiopia Birbirsa is a natural process light roast grown near 2100 meters: granola, mango, orange. Brew it on a V60 or Chemex at 1:15 to 1:16.

Ethiopia Gerba Dogo comes from smallholders in the Guji zone: floral, stone fruit, clean finish. Brew it on a V60 or Chemex in about three minutes.

Drying, Maillard browning, first crack around 196 to 205C, development, then cooling. The roast stages, temperature ranges and equipment explained.