How to clean the smell from a refrigerator: a complete guide with proven methods

An unpleasant odor in the refrigerator is a problem that every second home cook faces. Even with regular cleaning, the aromas of spoiled food, fish or cheese can penetrate into plastic, rubber seals and internal surfaces. But simply wiping the shelves with a damp cloth is not enough: to eliminate the smell foreveryou need a comprehensive effect on all areas of the refrigerator compartment.

In this article we will look at not only basic washing methods, but also little-known techniques of professional cleaning services. You will learn which ones cope with odor better than store-bought ones, how to properly clean household products cope with odor better than store-bought ones, how to clean properly No Frost drip systems, and what to do if it stinks even after general cleaning. Let us separately dwell on the mistakes that 90% of users make when cleaning - they not only do not remove the smell, but can also ruin the equipment.

Why the refrigerator starts to smell bad: 5 main reasons

Before taking up the sponge, it is important to understand the source of the problem. The smell rarely appears on its own - usually it is provoked by specific factors:

  • 🍳 Spoiled products - even a small piece of moldy cheese or sour milk can “infect” the entire chamber with the aroma. Meat and fish products are especially dangerous: their protein compounds decompose with the release of hydrogen sulfide and ammonia.
  • 🧊 Stagnant water in the drainage hole - in models with a drip defrosting system (Indesit, Atlant, Biryusa), moisture flows into the pan, where over time it begins to rot. If you do not clean the hole, the smell will rise into the main chamber.
  • 🧽 Dirt in the sealing rubber —crumbs, grease and germs accumulate between the folds of the rubber seal. When the door is closed, heat and moisture create ideal conditions for the growth of bacteria.
  • ❄️ Improper defrosting - if the ice in the freezer thaws at room temperature, and not in a cool room, odors are “absorbed” into the plastic. This is typical for systems Frost Free and Total No Frost.
  • 🦠 Mold on the back wall —in refrigerators with an open cooling system (old models ZIL, Minsk), condensate settles on metal tubes, creating a favorable environment for fungus.

Interesting fact: according to a study by microbiologists from the University of Arizona, up to 11.4 million bacteria per square centimeter can accumulate in the refrigerator - this is 100 times more than on the toilet seat. It is these microorganisms that often become the main cause of a persistent odor.

⚠️ Attention: If the smell appears suddenly and is accompanied by rust flakes in the water or oily stains on the floor under the refrigerator, the problem may be a freon leak. In this case, immediately disconnect the equipment from the network and call a specialist - cleaning it yourself will not help here.

Preparation for cleaning: what needs to be done before washing

The mistake of most users is to start scrub the shelves without preparing the refrigerator. Without proper preparation, you risk:

  • 🔌 Damage to the electronics due to moisture getting on the contacts;
  • 🧊 Filling the drainage hole with water, which will lead to a leak;
  • 🦠 Spreading bacteria throughout the kitchen instead of destroying them.

Follow this algorithm:

Turn off the power and remove all products|

Remove all removable elements (shelves, drawers, racks)|

Place a tray to collect melt water (if defrosting is to be done)|

Prepare 2 buckets: one for clean water, the other for dirty water|

Wear rubber gloves (protection from chemical burns)-->

Important: if the refrigerator is two-chamber (for example, Samsung RB30J3000WW or LG GA-B489YGQZ), you can clean chambers one by one, transferring products into the operating compartment. But remember that when the door is open, the temperature in the chamber will rise by 5-7°C in 10 minutes - this can spoil perishable food.

Once a month|

Once every 3 months|

Only when the smell appears|

Never soap(s)|-->

How to clean a refrigerator: top 7 odor removers

Not all detergents are equally effective against odors. For example, regular dish gel removes fat, but does not neutralize bacteria, and bleach can damage plastic and leave its chemical aroma. We tested 15 popular products and chose the best:

Product Effectiveness against odor Pros Cons Price (for 500 ml)
Baking soda (2 tbsp per 1 liter of water) ⭐⭐⭐⭐ Kills 99% of bacteria, neutralizes acidic odors (fish, onions), safe for plastic Does not cope with mold, requires careful rinsing 20–40 ₽
Vinegar 9% (1:1 with water) ⭐⭐⭐⭐ Dissolves fat, kills mold, deodorizes Pungent odor, can damage rubber seals with frequent use 30–50 ₽
Citric acid (3 tablespoons per 1 liter of water) ⭐⭐⭐ Refreshes, removes limescale, safe for food No Frost Weak effect on persistent meat odors 50–80 ₽
Hydrogen peroxide 3% (undiluted) ⭐⭐⭐⭐⭐ Kills viruses, mold, bacteria, leaves no odor Whites colored plastic details 20–30 ₽
Specialized products (for example, Topperr 3101, Unicum) ⭐⭐⭐⭐ Fast-acting, often contain antibacterial additives Expensive, may contain aggressive surfactants 300–600 ₽

For maximum effect, combine products. For example:

  1. First wash the shelves and walls soda solution (will remove grease and primary odor).
  2. Then treat the seals and drainage hydrogen peroxide (will kill mold).
  3. At the end, wipe everything vinegar solution (neutralizes residual aromas).
⚠️ Attention: Never mix vinegar and bleach (or other chlorine-containing products) - this releases toxic gas chloropicrinthat can cause chemical burns to the lungs.

Step-by-step instructions: how to wash a refrigerator without streaks and odor

Now we move on to the cleaning itself, so as not to miss a single “fragrant” zone. 3 hours (depending on the degree of contamination).

Step 1: Defrosting (if there is ice)

If there is ice in the freezer or on the back wall of the refrigerator with a drip system, it must be removed. Do not wash off the ice with hot water - this can deform the plastic.

  1. Turn off the refrigerator. from the network.
  2. Place a water tray (in models Bosch KAN58A55 or Liebherr CPes 4066 the tray is usually located under the bottom shelf).
  3. Open the door and wait for natural melting. You can speed up the process by placing a bowl of warm (not hot!) in the chamber. water.
  4. Every 30 minutes, remove melt water with a sponge.

Step 2: Cleaning removable elements

Wash shelves, drawers and grilles separately in the sink or bathtub. Use soft sponge (hard brushes scratch the plastic) and one of the products from the table above. Pay special attention to:

  • 🧀 Egg racks —protein residues often accumulate in them;
  • 🥩 Meat/fish trays —even after washing, germs may remain here;
  • 🥤 Bottle holders —sticky residues from drinks get stuck in the grooves.

For hard-to-reach places (for example, grooves in plastic boxes) use toothpick, wrapped in cotton wool.

Step 3: Treatment of internal surfaces

Start from the ceiling of the chamber and gradually work your way down. The movements should be from top to bottom so that dirt does not drip onto already clean areas. For washing, use:

  • 🧻 Microfiber cloth —does not leave streaks;
  • 🧽 Fine-pored sponge —for persistent stains;
  • 🧴 Spray atomizer —to apply evenly detergent.

Do not forget about rear wall it is often missed, and this is where most mold accumulates (especially in refrigerators Stinol or Nord with an open system cooling).

Step 4: Cleaning the sealing gum

The seal is the main “collector” of odors. To wash it:

  1. Apply to the elastic band paste of soda and water (consistency of toothpaste).
  2. Rub with a soft toothbrush, paying attention to the folds.
  3. Wipe with a damp cloth, then dry.
  4. For disinfection, treat alcohol 70% or vodka.

Step 5: Flushing the drainage hole

If the drainage is clogged, water will accumulate at the bottom of the chamber, creating a swampy smell. Cleaning:

  1. Find a hole (usually in the center of the back wall or under the bottom shelf).
  2. Use a syringe without a needle, pour in vinegar solution (1:1 with water).
  3. After 10 minutes, rinse with clean water.
  4. Check the permeability by pouring a little water - it should flow freely into the pan.

Step 6: Drying and deodorizing

After washing, wipe all surfaces with a dry cloth and leave the refrigerator open for 1-2 hours. It is important that:

  • 💧 The moisture evaporates (prevents new mold);
  • 🌬️ The remnants of detergents are removed;
  • 🦠 The remaining ones are killed bacteria (many of them die without a humid environment).

To speed up drying, you can use fanby directing it into the open chamber.

How to remove persistent odor: 5 unusual ways

If the smell remains after general cleaning, try these methods (they work even with “old” aromas):

  • Natural coffee: place a few spoons of ground coffee on the shelves on 12–24 hours. Coffee will absorb odors due to its porous structure. Suitable for refrigerators with a system Low Frost (for example, Beko GNE114620X).
  • 🍋 Citrus zest: put lemon, orange or grapefruit peels in a bowl. Essential oils not only mask the odor, but also kill bacteria. Change every 3 days.
  • 🧂 Activated carbon: crush 10 tablets, scatter on saucers and place on each shelf. Charcoal is a natural adsorbent that absorbs even ammonia odors.
  • 🌿 Essential oils: 2-3 drops of tea tree or eucalyptus oil on cotton wool, place in the corner of the chamber. They have an antibacterial effect.
  • 🥛 Raw mashed potatoes: spread on plates and leave for 6-8 hours. Starch absorbs odors, is especially effective against “fishy” aroma.

For models with air ionizer (for example, Panasonic NR-BN30AW1) or carbon filter (Sharp SJ-FP65PMBE) additional odor absorbers may not be needed - just replace the filter (this should be done once every 6 months).

What to do if the smell returns after a week?

If after cleaning the smell appears again, the problem lies deeper:

1. Check door tightness - if the seal is worn out, warm air penetrates inside, creating condensation and mold.

2. Inspect the back wall rear wall

3. Perhaps the smell comes from products - some cheeses (for example, Limburg) or smoked meats have a persistent aroma that is absorbed into the plastic.

In such cases, professional diagnostics or replacement of the seal are required.

What should not be done in case of cleaning the refrigerator

Some “folk” tips not only do not help, but also spoil the equipment. Avoid these mistakes:

  • 🧹 Use abrasive powders (type Pemolux) - they scratch the plastic, and bacteria then accumulate in microcracks.
  • 🔥 Wash with hot water — this deforms the seal and can damage the electronic unit (in models with a display, for example, Samsung RF23J9011SG).
  • 🧴 Apply detergent directly to the surface —always dilute it with water, otherwise streaks will remain.
  • ❄️ Chop the ice with a knife - this breaks the evaporator, which leads to a leak of freon (repair will cost 5-10 thousand rubles).
  • 🧼 Use flavored gels -they only mask the smell, but do not remove its cause.
⚠️ Attention: If your refrigerator is equipped with antibacterial coating (for example, LG InstaView Door-in-Door s BioShield), do not use products with chlorine or alcohol - they destroy the protective layer.

How to prevent the appearance of odor: prevention

To avoid having to fight the odor, just follow simple rules:

  • 📅 Carry out inspection of products once a week - throw away everything with an expired expiration date.
  • 🧊 Store food in containers -especially meat, fish and cheeses. Glass or plastic boxes with silicone gaskets are suitable.
  • 🧽 Wash shelves every time liquids have been spilled (juice, milk, sauce).
  • 🌡️ Monitor the temperature: in the main chamber it should be +2...+5°C, in the freezer –18°C. At higher values, food spoils faster.
  • 🔄 Defrost the refrigerator at least once every 3 months (even if you have data-i="268">Defreeze the refrigerator No Frost).

For models with freshness zones (for example, Liebherr BioFresh) or zero chamber (Bosch VitaFresh) care should be especially careful - high humidity in these compartments promotes the growth of bacteria.

FAQ: Answers to frequently asked questions

Is it possible to wash a refrigerator with a steam generator?

Yes, but with caution. Steam effectively kills bacteria and removes fat, but:

  • Do not direct the steam jet at seal —it may become deformed;
  • Do not use a steam generator for freezers - a sudden temperature change will damage the plastic;
  • After treatment, wipe the surfaces with a dry cloth to remove condensation.

Suitable for models with No Frost, but not recommended for refrigerators with mechanical control (for example, Atlant MHM 1708), since steam can get to the thermostat.

How to get rid of the smell of plastic in a new refrigerator?

The smell of new plastic (especially strong in models Haier or Vestfrost) usually disappears in 1-2 weeks. To speed up the process:

  1. Wipe all surfaces with a solution of vinegar (1:1 with water);
  2. Wash the removable elements with soda;
  3. Place a bowl with activated carbon in the chamber or citrus peels;
  4. Leave the refrigerator open for 12–24 hours.

Do not use aggressive detergents - they can react with plastic and increase the smell.

How to wash a refrigerator with an antibacterial coating function?

For models with Ag+ (Samsung), BioShield (LG) or Nano Titanium (Panasonic) suitable only neutral detergents:

  • Soap solution (laundry soap);
  • Soda;
  • Special products for antibacterial coatings (for example, Topperr 3101 Bio).

Prohibited: bleach, alcohol, abrasives, vinegar in high concentrations. These products destroy the protective layer and the coating stops working.

How often should you wash the refrigerator?

The frequency of cleaning depends on the intensity of use:

Type of refrigerator Number of users Recommended cleaning frequency
Regular (drip) 1–2 people Once every 1–2 months
No Frost 3–4 person Once a month
Side-by-Side More than 4 people Once every 3 weeks
With freshness zone Any Once every 2 weeks

Additionally carry out emergency cleaningif:

  • Liquid with a strong odor (vinegar, fish sauce) has been spilled;
  • Spoiled items were stored in the refrigerator products;
  • Mold or mucus has appeared on the seal.
Can I use bleach to clean the refrigerator?

Bleach (sodium hypochlorite) kills bacteria and mold, but:

  • ✅ Suitable for white plastic refrigerators (for example, Indesit DF 4180 W), if diluted with water (1:10);
  • ❌ Prohibited for models with metal parts (causes corrosion) and antibacterial coating;
  • ⚠️ After use you need rinse thoroughly (at least 3 times with clean water), otherwise the food will smell like bleach;
  • 🚫 Do not mix with vinegar or ammonia - this releases toxic gas.

A safer alternative - hydrogen peroxide or chlorhexidine.