Dirty pipes may be concealed from the eyes but their effects can manifest throughout the house. One of the top considerations is the foul smell of dirty pipes. Fumes from these pipes can sometime come up and leave the house smelling like a sewer. Another concern is the germs, molds, and bacteria that dirty pipes may harbor. These microorganisms are grave health hazards and can cause a number of illnesses to your family. Think of your kitchen sink drain and all the germs in it. When you are preparing food, these germs can go into the food, contaminating it. Thus, it is necessary to keep your pipes clean. The best way, however, to keep your drains clean is to call your reputable plumbers and ask for a drain cleaning service.