Why Does My Coffee Taste Sour? How to Fix It at Home
If your coffee tastes sharply sour, lemony in an unpleasant way, or thin and hollow, the most likely reason is under-extraction. That means the water didn’t pull enough flavor out of the grounds. Start by grinding a little finer. If that doesn’t fix it, try hotter water or a slightly longer brew time. But not every bright cup is a bad cup. Light roast coffee …