Huge amounts of fat, oils, and grease, commonly referred to as "FOG" are building up underneath cities across the country, creating costly and messy problems for food service industries and the communities they are in. As grease builds up, whether above in exhaust hood filters or below in drains, grease interceptors, and sewer pipes, it lies waiting ... until something happens, such as a grease fire, or a sewer backup into your kitchen ... both of which can shut your business