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 LV600S Smart Warm&Cool Mist Humidifiers for Home Bedroom Large Room | 6L 753ft² Coverage, Quickly & Evenly Humidify Whole House, Easy Top Fill, Smart Sensor, App & Voice Control, Quiet Sleep Mode

Levoit LV600S Smart Warm&Cool Mist Humidifiers for Home Bedroom Large Room | 6L 753ft² Coverage, Quickly & Evenly Humidify Whole House, Easy Top Fill, Smart Sensor, App & Voice Control, Quiet Sleep Mode

Product ID: 383478203

Details

Brand
Levoit
Capacity
6 liters
Color
White
Floor Area
753

💧6L large capacity

📱Smart app & voice control

🌡️Warm & cool mist hybrid tech

S$322

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Description

💨 Elevate your air game—comfort, control, and calm in one sleek device!

AROMATHERAPY READY - Built-in essential oil diffuser transforms your space into a calming, scented sanctuary.
DUAL MIST TECHNOLOGY - Patented hybrid mist delivers both warm and cool mist for year-round cozy or refreshing air.
WHOLE HOME HYDRATION - Covers up to 753 sq.ft. for seamless comfort in any large room or open space.
WHISPER QUIET SLEEP MODE - Ultra-quiet operation under 28 dB with no distracting lights—perfect for light sleepers.
SMART CONTROL AT YOUR FINGERTIPS - Effortlessly monitor and customize humidity levels via VeSync app or voice commands.

The Levoit LV600S is a premium 6-liter smart humidifier designed for large rooms up to 753 sq.ft. It features patented warm and cool mist technology for customizable year-round comfort, smart app and voice control for effortless operation, and a whisper-quiet sleep mode ideal for bedrooms. With an integrated essential oil diffuser and easy top-fill design, it ensures healthy, evenly distributed humidity while enhancing your living space with soothing aromas.

Specifications

ASIN	B095KGXPW5
Best Sellers Rank	#13,530 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #12 in Humidifiers
Brand Name	Levoit
Capacity	6 liters
Color	White
Control Method	Touch
Customer Reviews	4.4 4.4 out of 5 stars (33,491)
Filter Type	Pre Filter
Floor Area	753 square_feet
Included Components	1 x Smart Ultrasonic Humidifier 1 x Cleaning Brush 3 x Aroma Pads (1 pre-installed) 3 x Absorption Pads (1 pre-installed) 2 x Water Filter Sponge (1 pre-installed) 1 x User Manual 1 x Quick Start Guide
Item Dimensions D x W x H	7.7"D x 11.6"W x 11.3"H
Item Shape	Square
Item Type Name	6L Warm and Cool Mist Top Fill Air Vaporizer for Home, Smart App & Voice Control, Quickly Humidify Whole House up to 753 sq.
Item Weight	6 pounds
Manufacturer	LEVOIT
Material	BPA free, suitable for babies and adults
Model Name	Humidifiers for Bedroom Large Room
Model Number	LUH-A603S-WUS
Operation Mode	Ultrasonic
Other Special Features of the Product	Aroma Diffuser, Easy Fill, Quiet, Remote Control, Warm and cool mist, Smart Control, Top fill,Auto Shut Off,Run all night
Part Number	LUH-A603S-WUS
Power Source	ac
Room Type	Bedroom, Dining Room, Large Room, Office, Yoga Room
Runtime	50 hours
UPC	810043375023
Unit Count	1 Count
Voltage	120 volts
Warranty Description	2
Wattage	280 watts

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