Over time, food particles may accumulate in the grind chamber and baffle. An odor from the disposer is usually a sign of grease and food buildup, caused by insufficient water flow during and after disposer use. To clean disposer: 1. Turn off disposer and disconnect power supply. 2. Place stopper in sink opening and fill sink halfway with warm water. 3. Mix 1/4 cup baking soda with water. Turn disposer on and remove stopper from sink at same time to wash away loose particles.