Xiaomi’s humidifier is an indispensable tool in the fight against dry air, especially in the heating season or hot summer. But like any water-based appliance, it requires regular maintenance. Irregular cleaning leads to scale, bacteria and even mold that not only spoil the device, but also harm your health. In this article, we will discuss how to clean the Xiaomi humidifier (including popular Smartmi Air Humidifier, Mi Air Humidifier 2 and others) using improvised and specialized tools, and explain the typical mistakes that users make.
It is important to understand that the manufacturer recommends cleaning the humidifier at least 1 time every 3-5 days with daily use, but many people neglect this rule, which leads to premature failure of the device.
Why Xiaomi Humidifier Should Be Cleaned Regularly
The main cause of humidifier contamination is hard water, and when evaporated, minerals (calcium, magnesium) settle on the inner surfaces as a white plaque called scale, and over time, it accumulates on the ultrasonic membrane, filters and tank walls, leading to:
- 🔊 Decreased performance – the device begins to spray water worse, and the noise level increases.
- 🦠 Bacteria Reproduction – a humid environment is ideal for the growth of microorganisms that then enter the air.
- 🍄 Mold appearance – black spots on the walls of the tank or filters signal serious contamination.
- ⚡ Breakdown of an ultrasonic generator - scale can disable a key element of the humidifier.
Also, if you use aromatic supplements or essential oils (even if not recommended by the manufacturer), the residues are mixed with scale, forming a sticky sludge that is difficult to remove. Regular cleaning not only keeps you healthy, but also saves money - replacing an ultrasound membrane at a service center will cost 30-50% of the cost of a new humidifier.
What you need to clean the Xiaomi moisturizer
Before you start the procedure, prepare everything you need. Most of the funds will be at home, but some will have to be purchased in advance.
| Category | Funds | What do you need? |
|---|---|---|
| Resources available | Vinegar (9%), citric acid, baking soda | Scaling and disinfection |
| Specialized tools | Means for cleaning moisturisers (Top House, Unicum), tablets for the removal of scale | Quick and safe removal of sediments |
| Tools | Soft sponge, toothbrush, microfiber cloth, cotton swabs | Mechanical cleaning of hard-to-reach places |
| Protective measures | Gloves, respirator (when working with vinegar) | Protecting the skin and respiratory tract |
If you're cleaning the humidifier for the first time, start with vinegar or citric acid -- they're less aggressive than specialized chemistry, but they can handle light deposits. For advanced cases (thick scale, mold), it's better to use professional remedies.
⚠️ Warning: Never use abrasive cleaning products (powders, metal sponges) – they scratch the plastic and ultrasonic membrane, leading to leaks or breakage.
Step-by-step: how to clean the Xiaomi humidifier
The cleaning process can be divided into several steps: preparation, scaling, disinfection and drying, and let's look at each of them in detail.
Preparation of the device
Before cleaning, it is necessary:
- Turn off the humidifier.
- Dump the remaining water from the tank.
- Disassemble the device into its component parts (according to the instructions for your model).
- 💧 The main water tank.
- 🔊 Ultrasonic membrane (sprayer).
- 🌀 Filter (if available in the package).
- 🔌 Electronically-stuffed base.
Some models (e.g. Xiaomi Smartmi Air Humidifier 2) have a removable filter cartridge that also requires cleaning or replacement. If the filter is reusable, it can be washed under running water. If a disposable one, replace it with a new one (original filters for Xiaomi are sold in brand stores or on AliExpress).
2. Scaling removal
To remove lime plaque, one of the following methods is suitable:
Pour vinegar solution (1:1 with water) into the tank and leave for 1-2 hours|Use a solution of citric acid (2 tbsp. l. per 1 liter of water), heat up to 40-50°C and hold for 30-60 minutes|Apply a specialized product (for example, Top House), following the instructions on the package|For strong deposits, use tablets to remove scale (dissolve in warm water)
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After soaking, carefully clean the walls of the tank with a soft sponge or toothbrush.
- 🔄 Ultrasonic membrane - it can not be rubbed with hard objects, only washed with a solution.
- 🕳️ Hard-to-reach corners - here the most dirt accumulates.
- 🔌 Contacts and sensors – they can not be wet, only wiped with a wet cloth.
If the scale does not go away, repeat the procedure or increase the soaking time to 3-4 hours. For ultrasonic humidifiers Xiaomi strictly forbidden to use boiling water — this can deform the plastic or damage electronic components.
3. Disinfection
After the scale is removed, the humidifier must be disinfected to kill the bacteria and prevent mold from appearing.
- Prepare a solution: 1 tsp. hydrogen peroxide (3%) or 1 tbsp. l. vinegar per 1 liter of water.
- Pour the solution into the tank and turn the device on for 5-10 minutes (no spraying, only for fluid circulation).
- Wash all parts thoroughly with running water.
For models with a hot steam function (for example, Xiaomi Smartmi Evaporative Humidifier), you can use boiling: pour water, turn on the maximum heating mode for 10-15 minutes, then drain and dry.
Drying and assembly
After cleaning:
- Wipe all the details dry with a microfiber cloth.
- Leave the humidifier disassembled for 1-2 hours for complete drying (especially important for an ultrasonic membrane).
- Build the device according to the instructions.
⚠️ Note: If after cleaning the humidifier began to make unusual sounds (cracking, whistling) or stopped spraying water, most likely, the ultrasonic membrane was damaged.
💡
Regular cleaning (every 3-5 days) prevents the formation of persistent deposits and prolongs the service life of the humidifier by 30-50%.
How to Clean the Filter in Xiaomi Moisturizer
Filters in Xiaomi humidifiers come in two types:
- Disposable – they can not be cleaned, only replaced (service life is 2-6 months).
- Reusable – require periodic washing.
To clean the reusable filter:
- Wash it under running water (temperature not higher than 40)°C).
- Soak in a solution of vinegar (1:3 with water) for 20-30 minutes.
- Clean with a soft brush (do not use metal objects!).
- Rinse and dry thoroughly in the air (not in the microwave!).
If the filter has darkened or started to crumble, it is time to replace it. The original filters for Xiaomi Smartmi can be found by the articles:
- 📌 ZNMSJ01ZM — Air Humidifier 2 and Smartmi Air Humidifier.
- 📌 ZNMSJ02ZM — for humidifiers with aromatization function.
What happens if you don't change the filter?
What can not clean the Xiaomi moisturizer
Some cleaning methods that seem to be effective can actually damage the device, and this is strictly forbidden.
- 🧴 Household chemicals (e.g. Domestos, Comet) – aggressive components destroy plastic and rubber seals.
- 🧽 Abrasive powders – scratch surfaces, which leads to a buildup of dirt in microcracks.
- 🔥 Boiling water – deforms plastic and can damage electronic components.
- 🧴 Essential oils (unless they are designed for humidifiers) – leave a sticky sludge that is difficult to remove.
- 🔌 Immersion of the electronic unit in water - this will lead to a short circuit.
It is also not recommended to use hard brushes or scrapers, which can damage the ultrasonic membrane, which is expensive to replace. If the scale does not move, it is better to repeat soaking in vinegar or citric acid than to risk the integrity of the device.
How often should you clean the Xiaomi humidifier?
The frequency of cleaning depends on the intensity of use and hardness of the water.
| Conditions of use | Frequency of cleaning | Frequency of filter replacement |
|---|---|---|
| Daily use, hard water | Every 3-4 days | Every 2 months |
| Daily use, soft water | Once a week. | Every 3-4 months |
| Periodic use (2-3 times a week) | Once every 2 weeks | Every 6 months |
| Rare use (once a month) | Before each incorporation | Once a year. |
If you notice at least one of the following signs, clean up immediately:
- 👃 There was an unpleasant smell (sweetness, mold).
- 🌫️ The white stain is then removed from the stain).
- 🔊 The device began to work louder than usual.
- 💧 The amount of sprayed water has decreased.
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If you have hard water, use distilled or boiled water - this will reduce the formation of scale by 2-3 times.
Specialized products for cleaning humidifiers Xiaomi
If the available funds do not cope, you should pay attention to professional chemistry.
- 🧴 Top House for humidifiers – removes scale and disinfects, is safe for plastic.
When using specialized products, follow the instructions on the package.
- Dissolve the product in water according to proportions.
- Pour the solution into the tank and leave it for a specified time (usually 30-60 minutes).
- Wash the humidifier with running water 2-3 times.
- Please dry before the next use.
For Xiaomi models with antibacterial coating (for example, Smartmi Air Humidifier Pro), it is better to use chlorine-free products so as not to damage the protective layer.