How to pour soap into the Xiaomi dispenser: instructions for all models

Xiaomi’s automatic soap dispensers have become an integral part of smart bathrooms and kitchens. These compact devices save cleaning costs, maintain hygiene, and integrate into the Mi Home ecosystem. However, even these simple gadgets have a nuance: improper refueling can lead to leaks, clogs or sensor failures. In this article, we’ll discuss how to pour liquid soap, shower gel or disinfectant into Xiaomi dispensers of various series, from the budget Mijia Smart Soapomi to the premium Xiaomi Vipen You.

We analyzed user feedback, manuals, and common bugs to create a universal guide, and you'll learn not only basic steps, but how to avoid common problems, such as why the device doesn't see soap or gives out too little, and for owners of Wi-Fi models, we've added a section on setting up low-liquid notifications.

What soap is suitable for Xiaomi dispensers: consistency and composition requirements

Not every detergent is compatible with automatic dispensers. The manufacturer recommends liquids with a viscosity of 1000-3000 mPa·s (approximately like shampoo or shower gel). Too thick compositions (for example, cream soap) clog the pump, and too liquid (diluted soap) flow through the valve.

The best options are:

• 🧼 Liquid soap marked "for dispensers" (e.g. Dove, Palmolive).
• 🚿 A gel for a shower of medium density (avoid products with abrasive particles).
• 🧴 Alcohol-based disinfectant solutions (up to 70% alcohol).
• 🌿 Eco-means without aggressive surfactants (check for compatibility with plastic).

❌ What can't be poured:

• 🧴 Cream soap or scrubs - clog the mechanism.
• 🧪 Concentrated acids/alkalis (e.g. Domestos) – corroded by seals.
• 🌊 Too liquid solutions (water with soap) - leak.
• ❄️ Freezing liquids (if the dispenser is in an unheated room).

⚠️ Attention: In Xiaomi Viomi models V-RA1 and Mijia LXS-B01 alcohol-driven (>60%) may cause false level sensor alert. Check the composition on the label before refueling.

Preparation of the dispenser for refueling: disassembly and cleaning

Before you pour the new soap, you have to wash the device, and the residue of the old liquid can mix with the new one, changing the consistency and causing the pump to malfunction.

1. Turn off the power. Remove the batteries (if the model is on) AA/AAA) Or disconnect the USB-Type-C cable.
2. Remove the top cover. Most models have it spinning counterclockwise (except for Xiaomi Youpin Viomi). V-RA1, where the lid is fixed by the latches).
3. Remove the tank. In some dispensers (e.g. Mijia) LXS-B02) container is integrated into the body - then wash through the filler hole.
4. Wash all the details. Use warm water (not above 40).°C) and a soft sponge. Cotton swabs are suitable for hard-to-reach areas.

Pay particular attention to:

• 🔍 Level sensor (if any) - wipe it with a dry wipe.
• 💧 Exit nozzle - clean with a needle from dried drops.
• 🔋 Contacts of the battery compartment (use alcohol for corrosion).

⚠️ Warning: Do not use abrasives or hard brushes for cleaning – they scratch the inner covering of the tank, which subsequently leads to the accumulation of bacteria.

Step-by-step: how to pour soap into the Xiaomi dispenser

The refueling process depends on the device model. Below is a universal algorithm suitable for 90% of Xiaomi dispensers (including Mijia Smart Soap Dispenser, Viomi). V-RA1, Yeelight Soap Dispenser).

Step 1. Prepare the soap.

• If you use a thick soap, dilute it with water (1:1) and mix it to a uniform consistency.
• For alcohol solutions, check the concentration - optimally 50-70%.

Step 2. Pour the liquid.

1. Remove the dispenser cover (as described in the previous section).
2. Fill the tank with soap to the mark MAX (Do not add "to the tie" - this can cause leaks.
3. Close the lid and fix it (curl clockwise or snap).

Step 3. Remove the air traffic jams.

• Press the dosage button 3-5 times to fill the pump.
• If no liquid is coming in, tap lightly on the body or tilt the dispenser at an angle of 45.°.

Step 4, run the test.

• Put your hand to the sensor (or press a button) and check the dosage.
• The optimal portion size is 1-1.5 ml. If too little / much, adjust in the settings (for models with Mi Home).

💡

If you use homemade soap (such as from household soap), add 5% of glycerol to it – this will prevent stratification and thickening during storage.

Common Mistakes and How to Avoid Them

Even experienced users sometimes face problems after filling the dispenser, and here are the most common errors and solutions:

1. Soap leaks.

• 🔧 Reason: Overflow above the mark MAX loosely-covered.
• 🛠️ Solution: Wipe the body, check the sealing ring on the lid (if damaged, replace it).

2. Dispenser's giving out too little soap.

• 🔧 Reasons: Thick soap clogged the pump, discharged batteries (the pump is half-operating), incorrect settings in Mi Home (for smart models).
• 🛠️ Solution: Dilute the soap with water, replace the batteries or reset the dosage settings.

3. The sensor is not responding to the arm.

• 🔧 Causes: Dirt on infrared sensor, too close to the wall (less than 5 cm) Low fluid level (in models with sensor).
• 🛠️ Solution: Wipe the sensor with alcohol, move the dispenser or add soap.

4.The soap foams inside the tank.

• 🔧 Reason: Use of products with a high content of surfactants (for example, Fairy).
• 🛠️ Solution: Replace soap with less aggressive soap or add 10% water to reduce foaming.

💡

If the dispenser stopped working after refueling, 80% of the time the problem is as a soap or air traffic jam. Always test the new liquid on a small volume (50 ml) before filling it up.

Configure smart features (for models with Wi-Fi)

Xiaomi Dispensers with Wi-Fi Support (for example, Viomi) V-RA1 Or Aqara, you can adjust your dosage, monitor your soap levels, and get notifications through the Mi Home app:

1. Connect to the annex.

1. Open Mi Home and click "Add Device» (+).
2. Select the category "Smart Home» → «Soap dispenser».
3. Follow the instructions on the screen (usually hold the button on the dispenser for 5 seconds).

2. Dosage adjustment.

• Go to the Device Settings → Dosage.
• Choose the portion size: Small (0.8 ml), Medium (1.2 ml) or Large (1.5 ml).
• For fine-tuning, use Calibration mode (not available on all models).

3. Low soap level notifications.

• Activate the Notification option in the settings.
• Set a threshold (e.g., 20% of the volume).
• When you reach the limit, you will receive a push message to your smartphone.

Voice control.

• If the dispenser is integrated with Alice or Google Assistant, you can use the following commands:
• "Alice, give me the soap from the dispenser."
• "OK Google, turn on the dispenser in the bathroom."

⚠️ Note: Zigbee models (like Aqara) require a Xiaomi Gateway hub to work smoothly.

How to care for a dispenser: cleaning and prevention

To make the device last longer, follow simple rules of care:

1. Regular cleaning.

• 🧽 Rinse the tank every 2 weeks (more often if you use homemade soap).
• 🧴 For disinfection, use a solution of vinegar (1:1 with water) or specialized tablets for dispensers.

2 Storage.

• 🌡️ Avoid direct sunlight and temperatures above 40°C (soap may be dissected).
• 💧 If the dispenser is not used for a long time, drain the liquid and dry.

3. Replacement of consumables.

• 🔋 Change batteries every 3-6 months (depending on the intensity of use).
• 🛠️ Check the rings for wear once a year (replace them when crackling).

4. Blockage prevention.

• 💧 After each dose of soap, press the dosage button 2-3 times to drive the liquid through the system.
• 🧴 Once a month, pour warm water into the tank and turn on the dispenser for 10 seconds to wash.

💡

If the soap in the dispenser begins to smell unpleasant, add 2-3 drops of essential oil (for example, lavender or tea tree) to the tank.

Alternative liquids: can you pour non-soap solutions into the Xiaomi dispenser?

Many users are experimenting with filling Xiaomi dispensers with custom fluids, from hand lotion to mouthwash, and consider what is safe and what is not.

✅ Permitted (with reservations):

• 🧴 Hand lotion - only if its viscosity meets the requirements (check on a small volume).
• 🪥 Mouthwash – suitable for models with a small tank (up to 200 ml).
• 🧴 Shaving cream (foamy) - only in dispensers with a wide nozzle (for example, Viomi) V-RA1).

❌ Forbidden:

• 🧴 Body oils – clog the pump and leave the film on the sensors.
• 🧪 Hydrogen peroxide – corrodes metal parts.
• 🍯 Honey or syrups - lead to the growth of bacteria in the tank.
• 🧴 Hair polish – contains acetone, corroding plastic.

⚠️ Important: When using alternative liquids, disable the level sensor (if any), as their density may differ from soaps, and the readings will be incorrect.

FAQ: Answers to Frequent Questions