Modern models of refrigerators are often equipped with a system No Frost with a humidification function, which allows you to keep vegetables and fruits fresh much longer. However, it is this structural element that becomes an ideal environment for the growth of bacteria, mold and the appearance of an unpleasant musty odor if it is not taken care of. Owners rarely think about the fact that mucus is accumulating inside the device until the problem becomes obvious visually or by smell.
Regular cleaning of the water tank is not just a matter of aesthetics, but a necessity for health. Stagnant liquid turns into a breeding ground for pathogenic microorganisms, the spores of which can settle on products. In this article we will look in detail at how to get to the hidden parts of the system, what is the best way to disinfect plastic and how to prevent re-contamination in the future.
You should not ignore the first signs of contamination, since removing old mold from porous surfaces is much more difficult than washing off fresh plaque. The cleaning process takes a little time, but requires care and compliance with certain safety rules so as not to damage fragile structural elements. Let's look at all the stages of the procedure in detail.
Diagnostics of contamination and preparation for cleaning
Before taking active steps, you need to understand whether your water tank really requires immediate intervention. Often users confuse condensation with a leak or do not notice the initial stages of biofilm formation. The first signal is the appearance of a subtle damp smell when opening the refrigerator door.
Visual inspection also plays a key role. If you notice black spots on the walls of the tank or in the water drainage gutters, this indicates the development of fungal colonies. Even if there is no visible contamination, it is recommended to carry out preventive cleaning at least once every six months, especially if there are allergy sufferers or small children in the house.
⚠️ Attention: If you find a thick black coating that is not washed off with water, this may indicate that mold has penetrated into the drainage system deeper than just into the removable tank. In such cases, it may be necessary to disassemble the internal panel.
To get started, you will need to prepare all the necessary tools so as not to interrupt the process. Not having the right chemicals on hand can lead to you using inappropriate aggressive agents, which is dangerous for food-grade plastic. Collect soft sponges, cotton swabs and a container for soaking parts in advance.
It is also important to disconnect the refrigerator from the power supply before starting any manipulations. Although the water in the tank is not usually at high voltage, there is always a risk of moisture getting on the electrical contacts or humidity sensors. Safety when working with household appliances should be priority number one.
Required cleaning products and tools
Choosing a cleaning product is a critical step, since aggressive chemicals can damage the plastic or leave toxic traces. Many popular store-bought sprays contain chlorine or strong fragrances, which are undesirable in food storage areas. It is best to use time-tested and safe formulations that are easy to prepare yourself.
The most effective and safe solution is regular table vinegar or citric acid. These substances perfectly dissolve mineral deposits (scale) and kill most types of bacteria. To enhance the effect, you can use baking soda, which works as a mild abrasive without scratching the surface.
- 🧼 Vinegar solution: Mix water and 9% vinegar in a 1:1 ratio to disinfect and remove odors.
- 🍋 Citric acid: 2 tablespoons of powder per liter of warm water will help remove limescale plaque.
- 🧽 Soft sponge: necessary for removing plaque without damaging the walls of the tank.
- 🥢 Cotton swabs: indispensable for cleaning hard-to-reach corners and valves.
- 🧤 Rubber gloves: will protect the skin of your hands from the effects of acids and bacteria.
The use of hard brushes or metal scrapers is strictly prohibited. The plastic from which it is made reservoirsis quite easy to scratch. In microcracks and scratches, dirt will accumulate much faster, and it will be almost impossible to wash it out next time, which will lead to a constant unpleasant odor.
Dismantling and removing the tank
The process of removing the water tank greatly depends on the model of your refrigerator. In some devices, for example, some models LG or Samsung, the container may be built into the back wall of the camera and require unscrewing the panel. In other, simpler models, this is a removable plastic container located above the vegetable compartment.
If your refrigerator is equipped with a system Menu → Settings → Device Care or similar, make sure that you do not block the sensors during disassembly. First, you need to completely clear the space around the tank: remove all products, shelves and drawers that may interfere with access. This will avoid accidental falling of heavy objects or damage to glass shelves.
When removing the tank, proceed carefully, without sudden jerks. Plastic becomes more brittle at low temperatures, and excessive force can cause cracks or breakage of fasteners. If the tank does not budge, check the instructions for your model refrigeratorthere may be hidden latches.
⚠️ Attention: Do not use force if the part cannot be removed. Mechanical impact can break the plastic clips, after which the tank will not be airtight or will rattle when the compressor operates.
In some cases, access to the humidification system requires removing the back cover of the refrigerator compartment. This is a more complex procedure that requires a screwdriver. Before unscrewing the screws, make sure that you remember their location so that during assembly there are no unnecessary parts.
What to do if the tank is cracked?
If you find a crack in the tank, it must be replaced. Gluing with food sealant can only be a temporary measure, since temperature changes will quickly destroy the adhesive seam, and water will again begin to accumulate inside the case.
Step-by-step instructions for cleaning and disinfection
After the tank is removed, it should be thoroughly rinsed under running warm water. This will remove most of the dirt and prepare the surface for disinfection. Do not use too hot water, as a sharp temperature change can deform the plastic.
Next, you need to soak the tank in the prepared solution. If you are using vinegar or citric acid, leave the part in the solution for 15-20 minutes. This time is necessary for the active substances to dissolve the fatty film and destroy bacteria. For heavy contamination, the time can be increased to 40 minutes.
☑️ Checklist for cleaning the tank
Pay special attention to the corners and joints of parts. It is there that most often a slippery coating is formed in which bacteria live. Use a toothbrush or cotton swabs to mechanically remove this layer. If the tank has a complex shape with narrow channels, use a brush or push the solution through them with a syringe without a needle. biofilm - a slippery coating in which bacteria live. Use a toothbrush or cotton swabs to mechanically remove this layer. If the tank has a complex shape with narrow channels, use a brush or push the solution through them using a syringe without a needle.
After mechanical and chemical cleaning, thoroughly rinse the tank with running water. Make sure that there are no traces of cleaning agent left on the walls, as the fumes may be absorbed into the food. The smell of vinegar should completely disappear after drying, but it is better to play it safe and wipe the surfaces with a clean damp cloth.
Cleaning the drainage system and drainage channels
The tank itself is only part of the system. Water from it often flows into special gutters or evaporators through drainage holes. If these channels are clogged with mucus or debris, the water will stagnate, creating ideal conditions for the growth of microbes even in a clean tank.
To clear the drainage, you can use a thin wire, a flexible cable or a special soft brush. Carefully move the tool along the channel, removing blockages. After this, pour a small amount of disinfectant solution into the hole so that it flows down and flushes the system from the inside.
In models with a system Smart Diagnosis or similar, clogged drainage can cause sensor errors. Therefore, the cleanliness of the outlet paths is important not only for hygiene, but also for the correct operation of the refrigerator electronics.
| System element | Type of contamination | Recommended product | Tool |
|---|---|---|---|
| Plastic tank | Mold, mucus | Vinegar solution (1:1) | Soft sponge |
| Drainage hole | Garbage, grease | Hot water with soda | Brush or syringe |
| Tank lid | Deposit, smell | Citric acid | Toothbrush |
| Sealants | Blackheads | Hydrogen peroxide | Cotton wand |
Drying, assembly and contamination prevention
After thorough washing, it is critical to completely dry all parts before installing them back. The remaining moisture will again start the process of bacterial growth. Wipe the tank with paper towels or leave it in the air until the drops completely disappear.
Assemble in the reverse order, carefully ensuring that all the latches fall into place. Make sure the tank fits tightly and does not wobble. After turning on the refrigerator, check whether the moisture is distributed correctly and whether the system is leaking.
To extend the intervals between cleanings, follow simple operating rules. Do not place unpackaged foods with a strong odor in the refrigerator; regularly check the expiration date of the contents and wipe the shelves every time you wash them.
⚠️ Attention: The design and arrangement of elements may vary depending on the manufacturer and year of manufacture. Always check the official user manual for your specific model to avoid mistakes during disassembly.
Regular maintenance of the humidification system will keep your refrigerator operation efficiently and food will remain fresh and safe to eat. Remember that cleanliness inside the device is the key to the health of the whole family.
Can I use a steam cleaner?
Using a steam cleaner for plastic parts of the refrigerator is not recommended. The high temperature of the steam can deform thin plastic and damage the seals.
Frequently asked questions (FAQ)
How often should you wash the water tank in the refrigerator?
It is recommended to carry out preventative cleaning every 3-6 months. If you notice the appearance of an odor or visible deposit earlier, the procedure should be performed immediately, without waiting until the scheduled date.
Can the tank be washed in a dishwasher?
Most manufacturers do not recommend washing the plastic parts of the humidification system in the dishwasher. High water temperatures and aggressive detergents can deform the plastic or damage special coatings.
How to remove the persistent smell of mold if washing does not help?
If the smell remains after washing, try soaking the parts in an activated carbon solution or leaving them for a day in a ventilated place. You can also use special odor absorbers for refrigerators.
Is it safe to use chlorine-containing products?
Using chlorine (for example, “White”) is highly undesirable. Plastic can absorb odors, which can then be transferred to food, and chlorine residue is toxic. It is better to limit yourself to vinegar, citric acid or hydrogen peroxide.