If you're experimenting with different styles of coffees -- roast styles, bean blends, etc. -- you'll need to adjust your grind to dial that specific coffee in for your machine. It's definitely not a set it and forget type of scenario, and there are general rules of thumb one might follow when switching between coffees that have a significantly different roast profile.

Watch Gail provide tips and advice on things to keep in mind when dialing in different coffees.