My humidifier is reading between 80-90% when my hygrometer reads under 60% Is something wrong with it? It's on a stool and not too close to anything.

The same thing has been happening with both of my new Levoit humidifiers. Try changing the setting to Auto or Warm Mist. I have been able to get the machine to respond 5 different times by changing the setting. The reading starts to plummet back down to the real humidity reading and the machine will turn on again. I have reached out to the company to let them know of the issue. We'll see what they do.

Cool vs warm mist control: I am not clear on the controls when used together. What do each control?

Cool mist is the normal ultrasonic which basicly vibrates the water molecules until they turn to a mist. This transition from liquid to a visable vapor or gas feels cool to the touch, not cold but slightly cooler. If you turn on the heater to low or high it heats the liquid water making the mist feel warm. I dont use the heater because I dont have it misting on my body and it takes up alot more power. The warm mist is just the temp of the mist no other real effect or complications.

How often do I change the filter? Thank you

That I’m not sure…. And of course I don’t use fancy water I use the water out of my tap water and it’s super easy the way they designed that part, but I would say since I’m using tap I probably want to change it before spring starts then summer? Then fall? N winter?

Can you put water softening tablets in these? We have well water, not hard according to tests but would want to take the extra step if possible

No. Do not add softening tablets. You would just be adding more dissolved salts that would come out of solution and leave a crusty film. It would e worse than using well water.

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Levoit OasisMist 1000S (10L) Smart Humidifier for Home Large Room Bedroom | Last 100 Hours Suitable for Indoor Plant, Cover up to 600ft², Easy Top Fill, Remoter & Voice Control, Auto Mode, Quiet

Product ID: 508438103

Details

Brand
Levoit
Capacity
10 liters
Color
Pearl White
Floor Area
600

⏳100-hour runtime

📱Smart app & voice control

🌫️350mL/h mist output

¥81680

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Description

🌿 Elevate your air, elevate your life — breathe smarter, live better!

EFFORTLESS TOP FILL DESIGN - Wide, spill-proof opening makes refilling and cleaning a breeze—no heavy lifting, no mess, just pure convenience.
WHOLE ROOM HYDRATION MASTERY - Covers up to 600 ft² with a powerful 5-foot mist height, ensuring every corner of your living or workspace breathes fresh, balanced air.
SMART CONTROL AT YOUR FINGERTIPS - Customize humidity levels, set schedules, and switch modes effortlessly via the Vesync app or voice commands—because your environment should adapt to you.
ENDLESS OASIS ZERO INTERRUPTIONS - Enjoy up to 100 hours of continuous cool mist without constant refills—perfect for busy professionals who value seamless comfort.
MULTI MODE VERSATILITY FOR EVERY MOOD - From Plant Mode to Sleep Mode and Aroma Diffuser, tailor your humidifier’s function to boost wellness, productivity, and relaxation all day long.

The Levoit OasisMist 1000S is a 10-liter smart ultrasonic cool mist humidifier designed for large rooms up to 600 ft². It offers an ultra-long 100-hour runtime with a high mist output of 350mL/h and features smart app and voice control for personalized humidity management. Its spacious top-fill design simplifies refills and cleaning, while multiple modes—including Plant, Sleep, and Aroma—enhance versatility for home, office, or wellness spaces.

Specifications

ASIN	B0BLV8BM5J
Best Sellers Rank	#9,991 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #13 in Humidifiers
Brand Name	Levoit
Capacity	10 liters
Color	Pearl White
Control Method	Voice
Customer Reviews	4.4 4.4 out of 5 stars (33,505)
Filter Type	Demineralization
Floor Area	600 square_feet
Global Trade Identification Number	00810043378758
Included Components	1 × Cable Winder, 1 × Quick Start Guide, 1 × Screwdriver, 1 × Smart Ultrasonic Tower Humidifier, 1 × Stand, 4 × Screw, Aroma Pad, Cleaning Brush, Remote Control, User Manual
Item Dimensions D x W x H	10"D x 8.4"W x 28.7"H
Item Shape	Rectangular prism
Item Type Name	Cover Up to 600 sq ft, Voice and Remote Control, Humidity Setting, Auto Mode, Quiet, Aroma Box, Easy to Use & Clean
Item Weight	6.4 pounds
Manufacturer	LEVOIT
Material	BPA free
Model Name	OasisMist 1000S 10L Smart Humidifiers for Large Room Bedroom,
Model Number	LUH-M101S-WUS
Number of Packs	1
Operation Mode	Ultrasonic
Other Special Features of the Product	Aroma Diffuser, Auto Shut Off, Humidifier for Home, Plant Mode, Quiet, Remote Control, Smart Control, Smart Humidifier for Large Room, Timer, Voice Control
Part Number	LUH-M101S-WCA
Power Source	Corded Electric
Room Type	Bedroom, Large Room, Living Room, Office, Yoga Room
Runtime	100 hours
UPC	810043378758
Unit Count	1 Count
Voltage	120 volts
Wattage	27.5 watts

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¥81680

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

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TrustScore 4.5 | 7,300+ reviews

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