What is an IBU? When you order a beer or pick up a case, you will find that many bottles or cans list an International Bitterness Units (IBU) value. The IBU is a measure of the bitterness in a beer and is usually expressed as parts per million (PPM). Generally speaking, beers with higher IBUs are more bitter than those that have lower numbers. A good way to think about it is on the same lines as spice levels […] Read More