Odor in the refrigerator is a problem that every home cook faces. Even with regular cleaning, unpleasant odors can appear due to spoiled products, improper storage or operating characteristics of equipment. Baking soda is one of the most effective and safe means to combat this scourge. It not only neutralizes odors, but also absorbs moisture, preventing the formation of mold.
Unlike chemical fresheners, soda does not mask odors, but completely eliminates them. This is a cheap and environmentally friendly solution that is suitable for any type of refrigerator: No Frost, drip and even old Soviet models with manual defrosting. In the article you will find proven recipes, instructions for use and tips on how to prevent the return of unpleasant odors.
But it is important to remember: soda only works if used correctly. It’s not enough to just put an open pack on the shelf—concrete actions are needed. Next, we’ll look at exactly how to use this product for maximum effect.
Why soda is effective against odors in the refrigerator
Baking soda (sodium bicarbonate) is natural absorbentwhich enters into a chemical reaction with odor molecules, neutralizing them. Unlike flavorings, it does not interrupt one smell with another, but completely eliminates it. This is especially important for refrigerators, where the aromas of different products are mixed.
The effectiveness of soda is explained by its porous structure: it literally “absorbs” volatile compounds. At the same time, soda is safe for products and does not leave a chemical aftertaste. It can even be used in refrigerators where baby formula or foods for allergy sufferers are stored.
- 🧪 Neutralizes acidic odors (from fish, meat, dairy products)
- 🌿 Absorbs ammonia evaporation (from spoiled eggs, vegetables)
- 💧 Reduces humidity, preventing the appearance of mold
- 🚫 Non-toxic and does not leave streaks on surfaces
Interestingly, soda begins to work after 15-20 minutes after placing in the refrigerator. However, a lasting effect requires at least 12 hours. This makes it an ideal solution for emergency cleaning before loading new products.
Preparing the refrigerator before treating it with soda
Before using soda, the refrigerator must be properly prepared. If you skip this step, the effectiveness of soda will decrease by 60-70%, since the main sources of odor will remain inside. Start by completely emptying the chambers of products.
Remove all shelves, containers and drawers. Check expiration dates on food items - often the source of the smell lies in a forgotten jar of sauce or rotten vegetable. Pay special attention to the sealing rubber on the door: bacteria and food debris accumulate in its folds.
Remove all products and throw away expired ones
Remove shelves, racks and drawers
Wash the sealing rubber with soap solution
Wipe the inner walls with a vinegar solution (1:1)
Dry the refrigerator before treating with soda -->
For washing, use a warm solution of water with vinegar (1:1) or lemon juice. This will help kill bacteria, which is often the cause of persistent odors. After washing, wipe all surfaces dry - moisture reduces the effectiveness of soda.
⚠️ Attention: Never use chlorine-containing products to clean the refrigerator. They can react with baking soda, producing toxic fumes. For disinfection, it is better to use hydrogen peroxide (3% solution).
5 ways to use soda to eliminate odors
There are several proven methods for using soda in the refrigerator. The choice depends on the intensity of the scent and your preferences. For weak aromas, simple solutions are sufficient, but for old ones, more radical measures will be needed.
1. Classic method: open pack of soda
The easiest way is to place an open pack of baking soda in the refrigerator. For a standard refrigerator with a volume of 200-300 liters, 100-150 grams are enough. The pack can be placed on the middle shelf or in the door.
The effectiveness of this method is about 70% for fresh odors. To enhance the effect, you can make small holes in the pack to increase the area of contact of soda with air. Change the soda every 2-3 months.
2. Soda solution for wiping surfaces
For deeper cleaning, prepare a solution: 2 tablespoons of soda per 1 liter of warm water. Use this solution to wipe down all interior surfaces, including shelves and seals. Pay special attention to corners and joints where bacteria accumulate.
After treatment, leave the refrigerator open for 15-20 minutes for the solution to take effect. Then wipe the surfaces with clean water and dry. This method removes up to 90% of odors and prevents their return for 1-2 months.
3. Soda “bombs” for intensive cleaning
For very persistent odors, you can make soda balls. Mix 4 tablespoons of baking soda with 1 tablespoon of water to form a thick paste. Form small balls and place them on a plate in the refrigerator.
After 12 hours, remove the balls and rinse the surfaces. This method is especially effective after defrosting or if the refrigerator has not been used for a long time. The balls absorb odors more intensely than regular soda.
4. Soda + activated carbon
For an enhanced effect, combine soda with activated carbon. Place an open pack of soda in the refrigerator and a separate plate with crushed charcoal tablets (5-6 pieces). Coal absorbs hydrogen sulfide and ammonia, and soda absorbs organic odors.
This combination works 20-30% more efficiently than each component separately. Change litters every 4-6 weeks. This method is often used in professional cleaning of refrigeration equipment.
5. Soda spray for regular care
For prevention, you can prepare a soda spray: 1 teaspoon of soda per 250 ml of water. Pour the solution into a spray bottle and spray the inside of the refrigerator once a week. This prevents the accumulation of odors and makes general cleaning easier.
The spray is especially convenient for treating sealing gum, where bacteria accumulate. After spraying, wipe surfaces with a dry cloth. This method reduces cleaning time by 40%.
| Method | Efficiency | Duration of action | Suitable for |
|---|---|---|---|
| Open pack of soda | 70% | 2-3 months | Fresh odors |
| Soda solution | 90% | 1-2 months | Medium odors, prevention |
| Soda balls | 95% | 3-4 weeks | Persistent, old odors |
| Soda + charcoal | 98% | 4-6 weeks | Comprehensive cleaning |
| Soda spray | 80% | 1 week | Regular care |
What not to do when cleaning the refrigerator with soda
Despite the safety of soda, there are several mistakes that can reduce its effectiveness to zero or even damage the refrigerator. One of the most common is the use of soda together with acidic cleaning agents (vinegar, citric acid in large quantities).
When mixing soda with acids, a violent chemical reaction occurs with the release of carbon dioxide. This not only neutralizes the effect of the soda, but can also damage the plastic surfaces of the refrigerator. Use these products separately with an interval of at least 30 minutes.
- ❌ Do not leave baking soda in the refrigerator for longer than 3 months —it becomes saturated with moisture and stops working
- ❌ Do not use soda with bleach —it causes toxic reactions
- ❌ Do not put baking soda in sealed containers —it needs access to air
- ❌ Do not use soda to clean the freezer at temperatures below -10°C - it loses its properties
⚠️ Attention: If your refrigerator has a system installed Air Flow or Plasma Cluster, before using soda, check the manufacturer's instructions. Some modern models require special cleaning products to avoid damaging the filters.
Another mistake is the use of flavored soda. It can give your refrigerator an undesirable chemical smell. Always use regular baking soda without additives. Also, you should not place soda next to open products - it is better to use a separate shelf for it.
How often should you repeat the procedure
The frequency of treatment with soda depends on the intensity of use of the refrigerator and the type of products that are stored in it. For an average family of 3-4 people, it is recommended to carry out general cleaning with soda every 2-3 months.
If fish, meat or hot spices are often stored in the refrigerator, cleaning should be done more often - once every 1-1.5 months. For refrigerators with a system No Frost treatment once every 3 months is sufficient, since they accumulate less moisture and odors.
Signs that it is time to clean the refrigerator with soda
- The appearance of an unpleasant odor when opening the door
- Condensation on the back wall (for drip models)
- Darkening of the sealing rubber
- The appearance of mold on shelves or in containers
For prevention, you can use a soda spray once a week. This reduces the need for deep cleaning by 30-40%. It is also useful to place a small container of baking soda in the refrigerator at all times - this prevents the accumulation of odors.
⚠️ Attention: If the smell returns 1-2 weeks after cleaning, the problem may be a malfunction of the refrigerator. Check the operation of the ventilation and door seal. In some models Samsung and LG failures in the air circulation system lead to the accumulation of odors.
Alternative methods of combating odors
Although soda is one of the most effective remedies, in some cases it can be combined with other natural absorbents. This is especially true for large-volume refrigerators (more than 350 liters) or if the smell is very persistent.
One of the proven options is coffee beans. They perfectly absorb the odors of fish and spices. It is enough to place a small cup of grains in the refrigerator for 1-2 days. You can also use citrus peels —they not only remove odors, but also leave a pleasant aroma.
- ☕ Coffee —neutralizes the odors of meat and fish
- 🍋 Citrus peels - refreshes and disinfects
- 🧂 Salt - absorbs moisture and faint odors
- 🌾 Rice - effective against musty odors
- 🌿 Herbs (rosemary, thyme) - mask odors and kill bacteria
For the freezer, it is better to use activated carbon or special odor absorbers, since soda at low temperatures it works less efficiently. Some models Liebeherr and Bosh have built-in carbon filters that need to be changed every 6 months.
Preventing the appearance of odors in the refrigerator
The best way to deal with odors is to prevent them. Start with proper food storage organization. Use airtight containers for cheese, sausages and prepared foods. Store fish and meat in special vacuum bags or on the bottom shelf, where the temperature is lowest.
Regularly check expiration dates and immediately get rid of expired products. Even one spoiled jar of sauce can create a lingering odor. Also keep the rubber seal clean - wipe it once a week with a soda solution.
- 📦 Use containers with lids for all open products
- ❄️ Do not overload the refrigerator - this disrupts air circulation
- 🧊 Defrost every 3-6 months (for models without No Frost)
- 🧽 Wash shelves and containers with hot water once every 2 weeks
- 🌡️ Control the temperature (optimally +4°C for refrigeration cameras)
For additional protection, you can use special odor absorbers, which are sold in household chemical stores. However, they will not replace regular cleaning. In refrigerators with a system Twin Cooling (for example, Samsung RB37J5230SS) it is important to maintain separate areas of cleanliness. odors do not mix between chambers.
⚠️ Attention: If there is a plastic or burning smell in your refrigerator, this may indicate a malfunction of the compressor or electrical wiring. In this case, immediately unplug the device and contact the service center.
FAQ: Frequently asked questions about cleaning the refrigerator with soda
Can you use soda ash instead of baking soda?
No, soda ash (sodium carbonate) has a higher pH and can damage the plastic surfaces of the refrigerator. It is also more aggressive and may leave streaks. Use only baking soda (sodium bicarbonate).
How much soda does your refrigerator need? Side-by-Side?
For large refrigerators with a volume of 500-600 liters, you will need 200-250 grams of soda. Place it in two containers: one for each door. You can also add an additional portion to the freezer if there is also an odor there.
Does soda help against odors? mold?
Soda is effective against light mold, but if the fungus has penetrated deeply into the seal or plastic, stronger agents will be required. In this case, after treating with soda, use a solution of hydrogen peroxide (3%) or special antifungal sprays for refrigerators.
Is it possible to wash a refrigerator with soda if it contains soda? display?
Yes, but avoid getting the soda solution on the electronic parts. Wipe the display and buttons separately with a damp cloth without soda. In models with touch controls (for example, LG InstaViewto clean the panel, use special wipes for electronics.
What to do if the soda left a white color? plaque?
White plaque appears if the soda has not been sufficiently dissolved in water. Wipe the surfaces with a clean damp cloth, then dry. To avoid plaque, always dissolve the soda well before use and do not leave it on the surfaces for a long time.