> Are you using freshly roasted beans, with a burr grinder, and grinding just before brewing? If bitterness is a concern, people should also look for beans tha

> Are you using freshly roasted beans, with a burr grinder, and grinding just before brewing? If bitterness is a concern, people should also look for beans that are medium roast (which tend to be more balanced) or lighter (more acidic/sour).