Whether you open the refrigerator door to the reminder of forgotten leftovers, buy a used model that's been neglected or lose power during a storm and have to throw out all the contents of your fridge, offensive smells can greet you every time you open the door. These smells, caused by mould, mildew and bacteria, not only curl your nose but can contaminate the contents of the refrigerator and freezer.
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Curing offensive odours in the refrigerator requires locating the source of the stink. Remove all the contents and discard anything that has expired, including milk, cartons of sour cream, cottage cheese, sauces, dips or old leftovers. Throw out produce showing signs of mould or rot. Discard any meat that is past its expiration date or has a sweetish, rotten odour. Check the freezer compartment as well, and discard anything that has passed expiration.
While you're taking inventory, it's a good time to give your refrigerator a bath. Remove drawers, shelves and other removable parts, and wash each one thoroughly with warm, soapy water. Give the empty refrigerator and freezer compartments, including the door compartments and gaskets, a thorough washing, also with warm, soapy water. The U.S. Department of Agriculture (USDA) recommends rinsing everything in a sanitising solution of one gallon of water mixed with one tablespoon of unscented bleach, including the refrigerator and freezer compartments.
Baking Soda Is Not Just for Baking
Baking soda has the power to absorb strong odours inside the refrigerator. Keep a fresh, open box inside the fridge, in a location where it won't be knocked over easily. Change boxes at least once every three months and discard the old box.
Soaking Up the Smell
Several materials will help to absorb strong, invasive odours. Fresh coffee grounds, cat litter, activated charcoal and even newspaper soak up smells in the same way as baking soda. Mrs. Clean recommends removing foods, then placing a shallow pan with a layer of grounds, litter, charcoal or baking soda in the refrigerator for one to two days on a low setting. The federal Food and Drug Administration (FDA) recommends stuffing the empty refrigerator and freezer compartments with rolled-up newspapers to absorb lingering odours. Close the door and allow everything to sit undisturbed for one to two days.
If mildew has attacked, wash the compartments, doors, shelves, drawers and other parts with a solution of vinegar and water, in equal amounts. The FDA notes that the acid in vinegar kills mildew.
To prevent offensive odours from developing, you can do several things on a regular basis. Use sanitary wipes to clean shelves, doors and handles. Clean up spills when they happen. Use tightly covered containers, and keep bottles and jars closed to avoid spills. Monitor produce and leftovers, and discard items before they develop mould.
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