Food particles, grease, soap scum, broken glass, and mineral buildup collect around the filter, garbage disposal connection, and drain hose. Over time these materials form blockages or biofilm that slow water evacuation and produce unpleasant smells. Regular cleaning prevents clogs, extends appliance life, and keeps dishes sanitary.
Open the dishwasher and remove the bottom rack. Twist and lift the cylindrical filter (check your manual—most pop out counter-clockwise).
Note: The word "exclusive" here refers to the insider techniques and preventative hacks rarely discussed in standard maintenance guides.