What is the best thing to clean the inside of a dishwasher?

Best thing to clean inside of dishwasher includes using dishwasher cleaner tablets like Affresh, Finish, or Cascade, white vinegar, and baking soda, with method involving cleaning filter, spray arms, and running empty cleaning cycle. To clean dishwasher interior, first remove bottom rack and clean filter at bottom by removing debris and rinsing under water. Check spray arms for clogged holes and clean with toothpick. Wipe door gasket with cloth. Then run empty cleaning cycle with dishwasher cleaner tablet placed in detergent dispenser on hot water cycle, or place 2 cups white vinegar in bowl on top rack and run hot cycle, then sprinkle 1 cup baking soda on bottom and run short hot cycle to deodorize and remove stains. Affresh cleaner is specifically designed to remove limescale and odor. For hard water buildup, use citric acid cleaner. Clean monthly to prevent mold and odor. Avoid bleach if stainless tub. So best thing to clean inside dishwasher is dishwasher cleaner tablet or vinegar and baking soda combination plus regular filter cleaning for best results and odor removal.