I've often found myself pondering why my coffee doesn't quite hit the mark, and it's not just about personal taste. There are several factors that can turn what should be a delightful cup into a disappointing experience. Over-extraction can make it bitter, while under-extraction leaves it sour. But that's just the beginning; water quality, grinder performance, and even the temperature of the water all play essential roles. If you're as curious as I am about what might be going wrong, let's explore these elements together to uncover the reasons behind that subpar brew.
Over- or Under-Extraction

When brewing coffee,