Tag: Sour coffee

The perception of taste can change dramatically with temperature, and a stark example is how hot-brewed coffee can turn noticeably sour as it cools. This common phenomenon, often mistaken for an expired brew, reveals fascinating chemical shifts and changes in our flavor perception.

Coffee has an average pH between 4.85 and 5.10, making it naturally acidic. However, when certain flavor profiles and brewing issues emerge, you might find yourself asking, "How do you know if coffee is too acidic?".