How to Clean Your Refrigerator Step by Step

Start with the shelves and drawers

Remove everything from your refrigerator one shelf at a time. This is the only way to reach the corners and under the shelves where spills hide and bacteria grow. As you empty each shelf, throw away anything expired, moldy, or leaking—these items contaminate the surfaces around them and make your whole fridge smell.

Take out the removable shelves and drawers and wash them in warm soapy water in your sink or bathtub. Dried food and spills come off much easier when you soak them for a few minutes first. Dry them completely before putting them back, because wet shelves encourage mold growth and make food slide around.

While the shelves soak, wipe down the inside walls, ceiling, and floor of the empty fridge with a damp cloth. Pay special attention to the corners where condensation pools and the rubber gasket (the seal around the door) where mold often starts. If you see stubborn stains, spray them with a mixture of equal parts white vinegar and water, let it sit for five minutes, then wipe again.

Key Takeaways

• Remove one shelf at a time and wash removable parts in warm soapy water, then dry them completely before returning them to the fridge.
• Wipe the interior walls, ceiling, floor, and door gasket with a damp cloth or vinegar-water solution to remove mold and bacteria.
• Clean the door shelves and exterior with the same cloth, since the door is touched frequently and collects dust and spills.
• Return food to the fridge in the correct zones: raw meat on the bottom shelf, produce in the crisper drawers, and condiments on the door.
• Wipe up spills immediately after they happen so they do not dry on and become harder to clean next time.

Clean the door shelves and exterior

The door is the warmest part of your fridge and the part you touch most often, so it collects more bacteria and dust than anywhere else. Wipe each door shelf with your damp cloth, paying attention to the grooves where condensation and food particles collect. Remove items one shelf at a time so you can reach behind them.

Wipe down the exterior of the fridge with a clean, damp cloth. If your fridge has a stainless steel finish, wipe in the direction of the grain to avoid streaks. For fingerprints on stainless steel, use a microfiber cloth slightly dampened with mineral oil, which leaves a cleaner finish than water alone.

Deal with odors at the source

Refrigerator odors come from bacteria breaking down old food, not from the air itself. The best way to prevent them is to remove the source—throw away anything past its date or that looks questionable. After you have cleaned the surfaces, place an open box of baking soda on a back shelf. Baking soda absorbs odors by trapping the molecules that cause them, and it works better than commercial odor absorbers because it is inert and does not add its own smell.

Replace the baking soda every three months, or sooner if your fridge develops a strong smell. If the smell persists after cleaning and replacing the baking soda, run your fridge empty for a few hours with the door open to let stale air escape, then close it and let it run normally again. A lingering smell sometimes means the drain line at the back of the fridge is clogged; see the FAQ section below for how to clear it.

Organize food in the right zones

Where you put food affects how long it lasts and how safe it is to eat. The bottom shelf is the coldest part of your fridge, usually between 32 and 35 degrees Fahrenheit, so that is where raw meat, poultry, and seafood belong. Keep them in a sealed container or on a plate to prevent drips from contaminating other foods below.

The middle and upper shelves stay around 35 to 40 degrees Fahrenheit and are best for leftovers, dairy, and ready-to-eat foods. The crisper drawers maintain higher humidity and are designed for produce—one drawer for vegetables (which prefer lower humidity) and one for fruits (which prefer higher humidity). The door is the warmest zone at 40 to 45 degrees Fahrenheit, so use it only for condiments, butter, and drinks, never for eggs or milk.

Leave space between items so cold air can circulate. A crowded fridge cools unevenly and creates warm spots where bacteria multiply faster. Aim to fill your fridge about three-quarters full.

Clean the coils and drain line

Your refrigerator has condenser coils on the back or underneath that release heat as the fridge cools. Dust and pet hair collect on these coils and make your fridge work harder, which shortens its life and wastes energy. Unplug the fridge, pull it away from the wall, and vacuum the coils with a brush attachment. Do this twice a year, or more often if you have pets.

The drain line at the back of the fridge carries condensation away from the interior. If it clogs, water pools inside and creates odors and mold. To clear it, locate the small opening (usually at the back bottom of the fridge) and flush it gently with warm water using a turkey baster or small syringe. If water does not flow freely, use a thin pipe cleaner to dislodge the blockage, then flush again.

Set a cleaning schedule that actually works

A quick wipe-down once a week takes five minutes and prevents the buildup that makes deep cleaning harder. Every time you unload groceries, wipe any spills you see and check the dates on items already in the fridge. Throw away anything that has expired or looks off. This habit stops mold and bacteria from spreading and keeps odors from developing.

Do a full deep clean—removing all shelves and washing them—once a month or whenever you notice a smell or visible spill that did not come off with a quick wipe. Mark it on your calendar so it becomes routine. A fridge that is cleaned regularly stays fresher longer and keeps your food safer.

Frequently Asked Questions

What should I use to clean the inside of my fridge?

Warm soapy water works best for most surfaces. For stubborn stains or mold, mix equal parts white vinegar and water in a spray bottle. Vinegar kills bacteria and mold without leaving toxic residue on surfaces where food sits. Avoid bleach and harsh chemicals—they can damage plastic shelves and leave fumes that affect food taste.

How often should I replace the baking soda?

Replace an open box of baking soda every three months. If your fridge smells strong, replace it sooner. You can test whether it is still working by smelling it—if it smells like the fridge odor instead of neutral, it has absorbed all it can and needs replacing.

Why does my fridge still smell bad after I cleaned it?

A lingering smell usually means the drain line is clogged. Water pools inside and bacteria grow in the stagnant water. Locate the small drain opening at the back bottom of your fridge and flush it with warm water using a turkey baster. If water does not flow, use a thin pipe cleaner to clear the blockage, then flush again with warm water.

Can I use bleach to clean my refrigerator?

No. Bleach leaves toxic residue on surfaces where food sits and can damage plastic shelves and gaskets. White vinegar and water work just as well at killing mold and bacteria without the risk. For heavy mold, let the vinegar solution sit for five to ten minutes before wiping.

What is the best way to prevent spills from drying on?

Wipe spills immediately when you notice them. A fresh spill takes seconds to wipe away with a damp cloth, but a dried spill requires soaking or scrubbing. Keep a small cloth or paper towels in your fridge so you can clean as soon as something leaks.