The term refers to the accumulation of dirt, detergent residue, fabric softener, and other debris within a washing machine. This buildup can occur in various parts of the appliance, including the drum, detergent dispenser, filter, and hoses. A common example is the formation of a sticky, dark residue on the inside of the washing machine drum, often accompanied by a musty odor.
A clean machine is essential for optimal laundry performance and hygiene. Residue accumulation can negatively impact washing efficiency, leading to incompletely cleaned clothes, lingering odors, and potential damage to fabrics. Historically, washing machines were simpler mechanically, potentially making them less susceptible to certain types of buildup. However, modern machines with more complex components and features can experience different residue challenges. Maintaining a clean machine prolongs its lifespan, prevents costly repairs, and ensures clothes are thoroughly cleaned and sanitized.