Sprinkle ½ cup baking soda into the drain hole, then pour 1 cup white vinegar. Let it fizz for 10–15 minutes to break down grease and soap scum.
Most dishwashers have a cylindrical or flat filter at the bottom. Twist it counterclockwise and lift it out. Check your manual for exact location. clean drain dishwasher
Spin the impeller (small fan-like piece) by hand. It should turn freely. Remove any glass shards or hard objects. Sprinkle ½ cup baking soda into the drain
Scoop out water from the bottom of the dishwasher using a cup. A wet/dry vacuum works best for quick removal. clean drain dishwasher