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.

Levoit Lv600s Smart Warm And Cool Mist Humidifiers For Home

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Description

💨 Elevate your air, elevate your life — smart comfort at your fingertips!

AROMATHERAPY READY - Elevate your space with essential oils using the built-in aroma diffuser for a personalized sensory experience.
ULTIMATE CLIMATE COMMAND - Control humidity effortlessly via VeSync app & voice assistants for a perfectly tailored atmosphere.
WHISPER QUIET SLEEP MODE - Enjoy ultra-quiet operation under 28 dB with display lights off—perfect for undisturbed, restful nights.
DUAL MODE WARM COOL MIST - Switch seamlessly between soothing warm mist and refreshing cool mist to match every season and mood.
EXPANSIVE 753 SQ FT COVERAGE - Rapidly and evenly humidify large rooms with a powerful 6-liter tank designed for all-day comfort.

The Levoit LV600S Smart Warm & Cool Mist Humidifier delivers customizable humidity across large spaces up to 753 sq.ft with a 6L tank. Featuring patented hybrid mist technology, it offers both warm and cool mist options for year-round comfort. Smart controls via the VeSync app and voice assistants enable effortless scheduling and monitoring. Whisper-quiet sleep mode and an integrated aroma diffuser enhance wellness and relaxation, making it ideal for bedrooms, offices, and living areas.

Specifications

ASIN	B095KGXPW5
Best Sellers Rank	#16,349 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #26 in Humidifiers
Brand Name	Levoit
Capacity	6 liters
Color	White
Control Method	Touch
Customer Reviews	4.3 4.3 out of 5 stars (6,790)
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 Highlight	6L 753ft² Coverage, Quickly & Evenly Humidify Whole House, Easy Top Fill, Smart Sensor, App & Voice Control, Quiet Sleep Mode
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
Number of Packs	1
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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