How to Get Rid of Refrigerator Odors

How to Get Rid of Refrigerator Odors

A smelly refrigerator is one of the most common kitchen complaints. Whether it's a lingering fish smell, a sour dairy odor, or a general musty smell, refrigerator odors can be stubborn — but they're almost always fixable. Here's a complete guide to eliminating fridge odors and keeping them away.

Step 1: Find and Remove the Source

Before treating the odor, find and remove what's causing it. Check every item in the fridge:

• Expired or spoiled food — the most common cause.
• Opened containers without lids.
• Spills that have soaked into shelves or the back wall.
• Produce that has gone bad in the crisper drawer.
• Leftovers that have been in the fridge too long.

Discard anything past its prime. Even if the food looks okay, it may be the odor source.

Step 2: Deep Clean the Refrigerator

Odors cling to surfaces. A thorough cleaning is essential to eliminate them:

1. Remove all food and shelves.
2. Wash shelves, drawers, and bins in warm soapy water.
3. Wipe all interior surfaces with a baking soda solution (1 tablespoon baking soda per 1 quart warm water). Baking soda neutralizes both acidic and alkaline odors.
4. For stubborn odors, wipe surfaces with undiluted white vinegar, let sit for 5 minutes, then wipe clean.
5. Clean the door gasket thoroughly — mold in the gasket folds is a common hidden odor source.
6. Check and clean the drain hole at the back of the fridge interior — a clogged drain can harbor bacteria and odors.
7. Dry all surfaces completely before reloading.

Step 3: Use an Odor Absorber

After cleaning, place an odor absorber in the fridge to neutralize any remaining odors and prevent new ones:

Baking Soda

The classic solution. Place an open box of baking soda in the fridge. It absorbs odors through a chemical neutralization process. Replace every 30 days for best results.

Activated Charcoal

More effective than baking soda for strong odors. Activated charcoal has a highly porous structure that physically traps odor molecules. Place a small container of activated charcoal in the fridge.

Purpose-Built Refrigerator Odor Absorbers

The Arm & Hammer Fridge Fresh Refrigerator Air Filter is a purpose-built odor absorber that uses baking soda and activated charcoal together. It lasts up to 3 months and is more effective than a standard baking soda box. Simply place it on a shelf and replace every 3 months.

Specific Odor Remedies

Fish Odor

Fish odors are particularly persistent. After cleaning with baking soda solution, wipe surfaces with a mixture of equal parts white vinegar and water. Place a bowl of coffee grounds or activated charcoal in the fridge overnight.

Sour Milk or Dairy Odor

Clean the affected area with a baking soda solution. Check the door gasket and drain hole for dairy residue. Place baking soda or an odor absorber in the fridge.

General Musty Odor

A musty smell often indicates mold. Check the door gasket folds, the drain hole, and the drain pan at the bottom of the fridge. Clean with a diluted bleach solution (1 tablespoon bleach per 1 quart water) for mold, then rinse thoroughly.

Preventing Refrigerator Odors

• Store all food in airtight containers — open containers release odors into the fridge.
• Check expiration dates weekly and discard expired food promptly.
• Clean up spills immediately before they soak into surfaces.
• Keep an odor absorber in the fridge at all times.
• Deep clean the fridge every 3–6 months.
• Store strong-smelling foods (fish, onions, blue cheese) in airtight containers.

Quick Summary: Eliminating Fridge Odors

1. Find and remove the odor source.
2. Deep clean with baking soda solution and white vinegar.
3. Clean the door gasket and drain hole.
4. Place an odor absorber (baking soda, activated charcoal, or purpose-built filter).
5. Prevent recurrence with airtight containers and regular cleaning.