I don't have one, but have heard that smaller cups happen often. Must say I have NEVER cleaned it. Would explain the smaller and smaller cups I've been getting. Definitely doing this in the morning! How to clean your Keurig.
Aluminum Foil as Dryer Sheet! It will remove static . This is one of my best Budget Savvy tip – you do not need to spend one more cent on dryer sheets. All you have to do is take aluminum foil, ball it up, and place it in the dryer with wet clothes.