Rinse thoroughly and dry. To rid your fridge of offensive odors, add a cup of baking soda to a bowl or plate and place inside refrigerator for 24-hours. Remove and properly dispose of baking soda when done. You can also add an entire box of baking soda to the back of refrigerator to help cut down on odor contamination and keep your refrigerator smelling fresh year round. Place a dish or bowl of charcoal inside the refrigerator , and allow it to soak up odors for several hours to a few days.
Charcoal works well on sour odors.
Remove dish when finished and dispose of charcoal. Leave plate in place for several days. This works well on strong odors. Once a week or immediately before going grocery shopping, take inventory of the contents of your refrigerator. Remove outdated foods promptly.