If you encounter an unpleasant smell in a dishwasher that isn't yours but still bothers you, there are some steps you can take to mitigate the odor. Keep in mind that you should always get permission from the owner before attempting any of these methods:
Air it out: Open the dishwasher and let it air out for a while. Sometimes, simply allowing fresh air to circulate can help reduce the odor.
Clean the interior: If the owner allows it, you can clean the dishwasher's interior. Check for any visible debris, food particles, or residues that may be causing the smell. Wipe down the interior with a cloth or sponge and mild dish soap. Be sure to rinse thoroughly.
Check the filter: Dishwashers have filters to trap food particles and debris. If the dishwasher's filter is accessible, remove it and clean it thoroughly under running water. Make sure to remove any accumulated gunk that could be contributing to the odor.
Run an empty cycle with vinegar: With the owner's permission, run an empty dishwasher cycle using distilled white vinegar instead of detergent. Vinegar can help neutralize odors and remove buildup inside the dishwasher. Pour a cup of vinegar into a dishwasher-safe container and place it on the top rack of the dishwasher. Then, run a hot water cycle.
Use baking soda: Baking soda is another natural deodorizer. Sprinkle a generous amount of baking soda on the bottom of the dishwasher and run a short hot water cycle. Baking soda can help absorb and neutralize odors.
Check the drain: If you can access the dishwasher's drain, inspect it for any clogs or debris that could be causing the smell. Again, make sure to get permission from the owner before attempting this.
Notify the owner: If you are a guest or roommate and the smell persists despite your efforts, it's best to politely inform the owner of the dishwasher about the issue so they can take appropriate action.
Remember, always respect the property of others and seek permission before attempting to clean or fix someone else's belongings, including dishwashers.