Water Tank
The water tank is dishwasher-safe. You can also hand-wash it using mild detergent and warm water. Never use bleach, harsh chemicals, or chemical solvents.

Wick Filter
Clean the wick filter every 2–4 weeks. Soak the wick in a descaling solution using 1 descaling packet per tank of water for 2 hours, then rinse thoroughly with clean water.

Be sure to replace the wick filter every 6 months for optimal performance.

To keep your DreamWell Humidifier performing at its best, Blueair recommends cleaning it at least once a week, or twice a week with regular use. Always disconnect the device from power before cleaning.

Water Tank

• Clean the water tank with a mild detergent, or place it in the dishwasher.
• Dry the water tank thoroughly before reassembling the humidifier.

Wick Filter

• Soak the wick filter in a citric acid solution (20 g of citric acid per 1 L of water) for 1 hour. If needed, you can soak it for up to 2 hours.
• Rinse the wick thoroughly under running tap water before reinstalling it.
• If you have the DreamWell mesh fabric replacement wick, it can be machine washed on a gentle cycle.

Upper Body

• Wipe the exterior with a soft, dry, or slightly damp cloth to remove dust.
• Do not submerge the upper body in water.

Follow the steps below to safely and effectively descale your humidifier using citric acid descaling powder. Before you start be sure to unplug the device, remove the visible scale from the inner tank surfaces by rinsing with fresh water and wiping with a clean towel.

Step 1: Prepare the Descaling Solution 

For regular maintenance (2% solution – recommended monthly): 

• Mix 1 pouch (1 oz) of descaling powder with 2 L (0.5 gallons) of water

For heavy scale or pump issues (4% solution): 

• Mix 2 pouches (2 oz) of descaling powder with 2 L (0.5 gallons) of water

Fill the tank with water first, then add the descaling powder and mix well. 

Step 2: Soak the Pump and Tank 

• Remove the sponge pre-filter from the pump.
• Place the sponge pre-filter into the tank.
• Submerge the pump into the tank according to normal assembly instructions.
• Ensure the bottom half of the pump is fully submerged in the descaling solution.
• Allow the pump and tank to soak for 2 hours. 

Step 3: Rinse and Reassemble 

• After 2 hours, remove the pump from the tank.
• Rinse the pump and tank separately under fresh water.
• Reassemble the device.
• Fill the tank with fresh water before the next use.

Follow the steps below to safely and effectively descale your humidifier using citric acid descaling powder. Before you start be sure to unplug the device, remove the visible scale from the inner tank surfaces by rinsing with fresh water and wiping with a clean towel.

Step 1: Prepare the Descaling Solution 

For regular maintenance (2% solution – recommended monthly): 

• Smaller tanks: Mix 1 pouch (1 oz) of descaling powder with 1.5 L (0.4 gallons) of water so the tank is about half full.
• Larger tanks: Mix 2 pouches (2 oz total) of descaling powder with 3.0 L (0.8 gallons) of water so the tank is about half full. 

For heavy scale or pump issues (4% solution): 

• Smaller tanks: Mix 2 pouches (2 oz) of descaling powder with 1.5 L (0.4 gallons) of water so the tank is about half full.
• Larger tanks: Mix 4 pouches (4 oz total) of descaling powder with 3.0 L (0.8 gallons) of water so the tank is about half full. 

Fill the tank with water first, then add the descaling powder and mix well. 

Step 2: Soak the Pump and Tank 

• Remove the sponge pre-filter from the pump.
• Place the sponge pre-filter into the tank.
• Submerge the pump into the tank according to normal assembly instructions.
• Ensure the bottom half of the pump is fully submerged in the descaling solution.
• Allow the pump and tank to soak for 2 hours. 

Step 3: Rinse and Reassemble 

• After 2 hours, remove the pump from the tank.
• Rinse the pump and tank separately under fresh water.
• Reassemble the device.
• Fill the tank with fresh water before the next use.

Important! Turn the Humidifier off and disconnect from the power supply before changing the wick filter. 

The mesh fabric filter is machine washable on the gentle cycle. For optimal performance, clean the filter weekly and replace it every 6–12 months, depending on how frequently it is used.