Your mama always told you to clean your room. Life functions better when things are clean. We all know the proverb that "Cleanliness is next to godliness." What I'm trying to say is, cleanliness is a good thing, especially in regards to food and drink equipment. Maintaining a proper level of cleanliness for your Bunn Ultra-2 Slushy Machine is essential for the health of your customers and longevity of your machine.