20 Best Top Rated Cool Mist Humidifier [2024]

Are you looking for the best top rated cool mist humidifier? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling top rated cool mist humidifier.

We Recommended:

# Preview Product
1 LEVOIT Humidifiers for Bedroom Large Room Home, 6L Cool Mist Top Fill Essential Oil Diffuser for... LEVOIT Humidifiers for Bedroom Large Room Home, 6L Cool Mist Top Fill Essential Oil Diffuser for...
2 HealthSmart Essential Oil Diffuser, Cool Mist Humidifier and Aromatherapy Diffuser with 500ML Tank... HealthSmart Essential Oil Diffuser, Cool Mist Humidifier and Aromatherapy Diffuser with 500ML...
3 InnoGear Essential Oil Diffuser, Upgraded Diffusers for Essential Oils Aromatherapy Diffuser Cool... InnoGear Essential Oil Diffuser, Upgraded Diffusers for Essential Oils Aromatherapy Diffuser Cool...
4 Cool Mist Humidifier Cool Mist Humidifier
5 BXzhiri Mist Humidifier, Portable Mini Humidifier 300ml Cool Mist Humidifier with Night Light,... BXzhiri Mist Humidifier, Portable Mini Humidifier 300ml Cool Mist Humidifier with Night Light,...
6 URPOWER 2nd Version Essential Oil Diffuser Aroma Essential Oil Cool Mist Humidifier with Adjustable... URPOWER 2nd Version Essential Oil Diffuser Aroma Essential Oil Cool Mist Humidifier with...
7 Cool Mist Humidifier Cool Mist Humidifier
8 Cool Mist Humidifier Cool Mist Humidifier
9 #N/A 3 in 1 Portable Cute Cat Air Humidifier Cool Mist Maker, LED Lamp Ninght Lamp, USB Fan for Desk... #N/A 3 in 1 Portable Cute Cat Air Humidifier Cool Mist Maker, LED Lamp Ninght Lamp, USB Fan for...
10 Pure Enrichment® MistAire™ Ultrasonic Cool Mist Humidifier - Quiet Air Humidifier for Bedroom,... Pure Enrichment® MistAire™ Ultrasonic Cool Mist Humidifier - Quiet Air Humidifier for Bedroom,...
11 Mikikin Cool Mist Humidifier, Ultrasonic Air Humidifiers for Large Bedroom Babies Home, 4.5L Top... Mikikin Cool Mist Humidifier, Ultrasonic Air Humidifiers for Large Bedroom Babies Home, 4.5L Top...
12 50-Hour Ultrasonic Cool Mist Humidifiers for Bedroom (6L) - Quiet, Filterless Humidifiers for Large... 50-Hour Ultrasonic Cool Mist Humidifiers for Bedroom (6L) - Quiet, Filterless Humidifiers for...
13 TOPPIN Humidifiers for Bedroom with Essential Oils - Top Fill Cool Mist Humidifiers - 4.5L Super... TOPPIN Humidifiers for Bedroom with Essential Oils - Top Fill Cool Mist Humidifiers - 4.5L Super...
14 Pure Enrichment® MistAire™ Silver Ultrasonic Cool Mist Humidifier - Lasts Up to 25 Hours,... Pure Enrichment® MistAire™ Silver Ultrasonic Cool Mist Humidifier - Lasts Up to 25 Hours,...
15 Livatro 4L Top Fill Humidifiers for Bedroom Large Room Nursery, Cool Mist Humidifier With Ultrasonic... Livatro 4L Top Fill Humidifiers for Bedroom Large Room Nursery, Cool Mist Humidifier With...
16 GENIANI Top Fill Cool Mist Humidifiers for Bedroom & Essential Oil Diffuser - Smart Aroma Ultrasonic... GENIANI Top Fill Cool Mist Humidifiers for Bedroom & Essential Oil Diffuser - Smart Aroma...
17 The Frigidaire Digital Air Fryer Toaster Oven Cookbook 1200: 1200 Days Quick, Delicious &... The Frigidaire Digital Air Fryer Toaster Oven Cookbook 1200: 1200 Days Quick, Delicious &...
18 Syvio Humidifiers for Bedroom Large Room, Easy to Clean Humidifier Ultrasonic & Essential Oil... Syvio Humidifiers for Bedroom Large Room, Easy to Clean Humidifier Ultrasonic & Essential Oil...
19 Cool Mist Humidifiers, Quiet Ultrasonic Humidifiers Auto Shut 4L Top Fill Air Humidifier Essential... Cool Mist Humidifiers, Quiet Ultrasonic Humidifiers Auto Shut 4L Top Fill Air Humidifier...
20 4L Top Fill Humidifiers for bedroom, 25dB Quiet Ultrasonic Cool Mist Humidifiers with Auto Mode Mist... 4L Top Fill Humidifiers for bedroom, 25dB Quiet Ultrasonic Cool Mist Humidifiers with Auto Mode...
SaleBestseller No. 1
LEVOIT Humidifiers for Bedroom Large Room Home, 6L Cool Mist Top Fill Essential Oil Diffuser for...
  • POWERFUL PERFORMANCE, FUllY UPGRADED: The unexpected 4× faster humidification speed is up to 60 hours, and the covering is up to 505 ft². You can...
  • BEST HUMIDIFIER FOR BEDROOM: Lying in bed, using the APP or Alexa to control settings, the humidifier will raise RH 12% in 30mins. Enjoy the soft...
  • BETTER BABY CARE: The baby has higher requirements for humidity, and the Auto Mode will maintain the room humidity at the healthiest humidity level in...
  • PLANTS NEED IT: In addition to the most basic plant humidification, it offers you more comprehensive plant-care programs. Including scanning...
  • CONVENIENT TOP-FILL DESIGN: The large opening makes refilling and cleaning the tank easy. Enjoy the convenience of a zero-leakage designed product
SaleBestseller No. 2
HealthSmart Essential Oil Diffuser, Cool Mist Humidifier and Aromatherapy Diffuser with 500ML Tank...
  • OIL DIFFUSER will automatically and safety shut off once the water runs out so the unit doesn't overheat.  The 500mL tank is large enough to use in...
  • DIFFUSER FOR ESSENTIAL OILS features a smart touch panel to easily control the lighting, high or low mist mode and a 1hr/3hr/6hr timer that will keep...
  • COLORFUL MOOD LIGHT has the ability to cycle through 7 different colors or stay on one.  It is great for creating a calm uplifting atmosphere during...
  • AROMATHERAPY DIFFUSER compact design is sleek and modern.  The beautiful and modern wood grain base complements any room.  It is the perfect...
  • DIFFUSER PRODUCT SPECS:  Scent diffuser comes with an AC adapter (located inside the tank), 6ft power cord and user manual. Essential Oils sold...
SaleBestseller No. 3
InnoGear Essential Oil Diffuser, Upgraded Diffusers for Essential Oils Aromatherapy Diffuser Cool...
  • Compact Size for Space-saving: Diffuser is powered by included AC charger. Without occupying much space, you can easily place this palm sized...
  • 2 Misting Modes: You can set the deffusor to intermittent mist (6-8 hrs working time) that diffuser mists and pauses every 30s, it goes for almost the...
  • PP Material and Cool Mist: Using PP material, this diffuser disperses a comfortable stream of room-temperature mist, which provides ideal coverage for...
  • Romantic Mood Light: InnoGear essential oil diffuser has 8 soothing colors, light can switch from dim to bright. Great for creating atmosphere,...
  • Waterless Auto-off: You can enjoy a restful sleep and keep this diffuser on at night without worries. The diffuser will automatically shut off once...
Bestseller No. 5
BXzhiri Mist Humidifier, Portable Mini Humidifier 300ml Cool Mist Humidifier with Night Light,...
  • 【1】PORTABLE MINI HUMIDIFIER : Portable and small design is very easy take with you anywhere and super perfect for travel,bedroom,office, which is...
  • 【2】SAFE & AUTO SHUT-OFF : There is built-in water level sensor inside that will automatically turn off the power when the water is lower than the...
  • 【3】TWO MIST MODES:This mini humidifier has two modes. When you press the button first time, it will continuously spray for 4 hours. When you...
  • 【4】SAFE & AUTO SHUT-OFF:There is built-in water level sensor inside that will automatically turn off the power when the water is lower than the...
  • 【5】ONE BUTTON CONTROL:The portable usb humidifier is very easy to operate. One button controls for all functions, you simply need to press one...
SaleBestseller No. 6
URPOWER 2nd Version Essential Oil Diffuser Aroma Essential Oil Cool Mist Humidifier with Adjustable...
  • URPOWER New Version: The URPOWER Ultrasonic Aroma Essential Oil Diffuser is an upgraded version. The 2nd generation produces more mist than old...
  • Please use 100% pure essential oils with no corrosivity, Ultrasonic aroma essential oil diffuse is safe and does not harm the essential oil of any...
  • Outlet shouldn’t be inserted cord that exceeds the maximum voltage. Add a few drops of your favorite essential oil to give your room a...
  • Features include 7 color changing lamps for your choice, nightlight, programmable on/off cycles and auto shut-off. Once the water runs out, it wil be...
  • Content: 100ml, Material: PP Hard plastic, Working time: Up to 6 hours, Adjustable two mist settings: Continuously and intermittently.
Bestseller No. 9
#N/A 3 in 1 Portable Cute Cat Air Humidifier Cool Mist Maker, LED Lamp Ninght Lamp, USB Fan for Desk...
  • ●3 in 1 function: can be use as portable air spray, fan and table lamp, One-button to operate.
  • ●The Mini size is small while the capacity is 350ml. Misting moisturizes the air for up to 20-40ml/h, so you can breathe easily.
  • ●It effectively increase air humidity and nourishes skin. brings fresh air and helps to keep good feeling. Small and lightweight, great for Car,...
  • ●Below 30 dB, Quiet operation won't disturb sleeping or relaxtion. 4 hours automatic shut-off when water mixture runs out. USB powered, use with car...
  • ●Cute Cat shape design, Built-in Colorful LED Lights, create a romantic and peaceful for your Car, home or office, it looks kindly for baby.
Bestseller No. 10
Pure Enrichment® MistAire™ Ultrasonic Cool Mist Humidifier - Quiet Air Humidifier for Bedroom,...
  • INSTANT DRY AIR RELIEF: Ultrasonic cool mist technology safely and quickly moisturizes dry air for up to 25 hours of continuous operation in medium to...
  • YEAR-ROUND COMFORT: High and low-speed settings combined with a 360° mist nozzle help you consistently balance and regulate the humidity in your home...
  • ENCOURAGE RESTFUL SLEEP: Easily run the humidifier overnight to maintain a healthy humidity level in your space. The optional night light offers a...
  • EASY-FILL TANK & AUTO SHUT-OFF: The sleek and transparent 1.7 liter water tank is easy to fill right from your kitchen or bathroom sink and the...
  • 5-YEAR WARRANTY: This BPA-free humidifier comes with an AC power adapter, disk cleaning brush, and Pure Enrichment’s guaranteed 5-Year Warranty. Our...
SaleBestseller No. 11
Mikikin Cool Mist Humidifier, Ultrasonic Air Humidifiers for Large Bedroom Babies Home, 4.5L Top...
  • 【Ultrasonic Cool Mist Humidifier】Safely moisturizes the dry air in your room letting you breathe easy and get more restful sleep, moisturize your...
  • 【Long-lasting Humidifier & Auto Shut-Off】Design with a large capacity water tank of 4.5L, it can works up for 15 to 30 hours of continuous use....
  • 【Deep Sleep Mode - Ultra Quiet】The air humidifier works almost no noise which offers maximum relaxation during sleeping or study without any nasty...
  • 【Adjustable Mist Levels Options】With 3 adjustable mist levels, the baby humidifier makes humidify much more precise and effortless to adjust mist...
  • 【Easy to Refill & Clean】The bedroom humidifier with top fill design has a flat surface and lareg opening that allows you to refill or clean the...
SaleBestseller No. 12
50-Hour Ultrasonic Cool Mist Humidifiers for Bedroom (6L) - Quiet, Filterless Humidifiers for Large...
  • 50 Hours Without a Refill: The large capacity 6L (1.6 gallon) tank of our ultrasonic humidifier runs for up to 6 nights per fill. Unlike smaller cool...
  • Higher Multidirectional Mist Output: Fully adjustable settings make our air humidifier a big improvement over standard humidifiers, covering double...
  • Whisper Quiet: Our large room humidifier is nearly silent (less than 35 dB) for no disturbances day or night. Unlike other humidifiers for home, ours...
  • Not Your Average Bedroom Humidifier: Our vaporizer humidifier has a built in essential oil tray that works like an aromatherapy diffuser. Along with a...
  • 2 Year Replacement Policy: At Everlasting Comfort, we care about your experience with our products, pledging to replace your cool mist humidifier if...
Bestseller No. 13
TOPPIN Humidifiers for Bedroom with Essential Oils - Top Fill Cool Mist Humidifiers - 4.5L Super...
  • 【Powerful and Adjustable Humidification】: TOPPIN humidifiers for bedroom spray strong and visible stream of mist, adding moisture to dry air and...
  • 【Handy Timer & Essential Oils Compatible】: Set the timer (1/2/4/8 hours) according to your need, humidifiers for bedroom will auto shut off after...
  • 【Ultra-quiet Operation & Optional Night Light】: There is a yellow warm night light that can be turned on or off, great for kids' room or any other...
  • 【4.5L Big Tank & Auto Shut-off】: TOPPIN humidifiers for large room has a big (4.5L) water tank holding enough water to run for up to 45 hours at...
  • 【Easy to Fill and Clean】: Open the lid, add water through the wide opening. It's super easy to fill up, TOPPIN cool mist humidifiers have a...
SaleBestseller No. 14
Pure Enrichment® MistAire™ Silver Ultrasonic Cool Mist Humidifier - Lasts Up to 25 Hours,...
  • ULTRASONIC COOL MIST TECHNOLOGY: Safely moisturizes the air for up to 25 hours of continuous operation on low, and up to 12 hours on high, so you can...
  • YEAR-ROUND COMFORT: High and low-speed settings combined with a 360° mist nozzle help you consistently balance and regulate the humidity in your home...
  • AMPLE ROOM COVERAGE: With room coverage up to 250 sq ft, this 1.5 liter tank (.4 gallons) is ideal for bedrooms, living rooms, offices, and nurseries...
  • NIGHT LIGHT & AUTO SHUT-Off: An optional night light offers a soothing glow, while the automatic shut-off feature turns the humidifier off when water...
  • WHAT YOU GET: Humidifier, AC power adapter, disk cleaning brush, user manual, and Pure Enrichment’s guaranteed 5-Year Warranty. Our customer support...
SaleBestseller No. 15
Livatro 4L Top Fill Humidifiers for Bedroom Large Room Nursery, Cool Mist Humidifier With Ultrasonic...
  • COOL MIST HUMIDIFIER: Ultrasonic humidifier has 3 adjustable levels of output, cool mist, and a maximum output of 200 mL/h to quickly bring your large...
  • LONG LASTING AND WIDE COVERAGE: The humidifer has a 4L tank that can cover rooms up to 217 sq. feet and lasts up to 40 hours without refill, helping...
  • TOP FILL AND ANTI LEAKAGE: Our patented anti-leakage design allows you to fill the tank without removing the top cover. Easily clean by removing the...
  • SAFE AND QUIET: The humidifier emits less than 38dB of noise and features an auto-off function when water level is low, creating a quiet and safe...
  • EFFICIENT HUMIDIFIER: 360° rotating nozzle ensures an even distribution of moisture throughout the room. 2.4Mhz atomization technology humidifies...
SaleBestseller No. 16
GENIANI Top Fill Cool Mist Humidifiers for Bedroom & Essential Oil Diffuser - Smart Aroma Ultrasonic...
  • ✅ 2-in-1 HUMIDIFIER AND DIFFUSER: Fill your room with your favorite essential oils while enjoying the humidifier’s cool mist
  • ✅ SMART MODE: Maintain a healthy humidity level automatically with a built-in intelligent sensor. You can manually adjust the moisturizing speed by...
  • ✅ TOP FILL HUMIDIFIER: Refilling has never been easier! Simply pour water into the small insert at the top of the unit. To clean a humidifier,...
  • ✅ SLEEP TIGHT: While you are sound asleep, our humidifiers for bedrooms moisturize the room at the 38dB noise level. The unit is as quiet as a...
  • ✅ IDEAL HUMIDIFIER FOR BABY NURSERIES: A soothing night light helps kids fall asleep. The unit ensures the ultimate baby safety by shutting down...
Bestseller No. 17
The Frigidaire Digital Air Fryer Toaster Oven Cookbook 1200: 1200 Days Quick, Delicious &...
  • Rodriguez, Betty (Author)
  • English (Publication Language)
  • 122 Pages - 07/03/2021 (Publication Date) - Betty Rodriguez (Publisher)
SaleBestseller No. 18
Syvio Humidifiers for Bedroom Large Room, Easy to Clean Humidifier Ultrasonic & Essential Oil...
  • 🌟2 IN 1 HUMIDIFIER AND 𝗔𝗥𝗢𝗠𝗔 𝗗𝗜𝗙𝗙𝗨𝗦𝗘𝗥--Savior Against Dry Air! Are You Still Troubled By the Dryness of...
  • 👍𝟯 𝗟𝗘𝗩𝗘𝗟 𝗖𝗨𝗦𝗧𝗢𝗠𝗜𝗭𝗘𝗗 𝗠𝗜𝗦𝗧 𝗦𝗘𝗧𝗧𝗜𝗡𝗚 𝗠𝗢𝗗𝗘𝗦--Comes with...
  • 🥇𝗘𝗔𝗦𝗬 𝗧𝗢 𝗥𝗘𝗙𝗜𝗟𝗟, 𝗖𝗟𝗘𝗔𝗡 𝗔𝗡𝗗 𝗨𝗦𝗘--Tired of other humidifiers that need to be...
  • ⏲𝗧𝗜𝗠𝗘𝗥 𝗦𝗘𝗧𝗧𝗜𝗡𝗚 & 𝗔𝗨𝗧𝗢-𝗢𝗙𝗙 & 𝗦𝗟𝗘𝗘𝗣 𝗠𝗢𝗗𝗘😴--This cool mist...
  • 💝𝗣𝗘𝗥𝗙𝗘𝗖𝗧 𝗚𝗜𝗙𝗧 𝗙𝗢𝗥 𝗬𝗢𝗨𝗥 𝗖𝗛𝗜𝗟𝗗 & 𝗣𝗟𝗔𝗡𝗧𝗦 & 𝗣𝗘𝗧--Mist...
Bestseller No. 19
Cool Mist Humidifiers, Quiet Ultrasonic Humidifiers Auto Shut 4L Top Fill Air Humidifier Essential...
  • ★ Ultrasonic Cool Mist Humidifiers with Adjustable Mist Output: Ultrasonic humidifiers are super quiet, reduces noise below 38dB that humans can't...
  • ★ Waterless Auto Shut Humidifiers: It will auto shut off if it's waterless or meet the time you setting. It can continuous humidifying over 40hours...
  • ★ 4L Top Fill Humidifier with Essential Oil Tray: Top Filling Design make it easy to fill the water tank from the top. 4L large capacity provides...
  • ★ Adjustable Timers & Humidity: ❶ Designed with a 0-12 hours timer which you can choose any humidifying timers you need. If 0H is selected, it...
  • ★ Convenient Remote Control: Adjust settings in the middle night without leaving the comfort of your bed. Everything is on a schedule by the remote...
Bestseller No. 20
4L Top Fill Humidifiers for bedroom, 25dB Quiet Ultrasonic Cool Mist Humidifiers with Auto Mode Mist...
  • 【One Fill for Days】: Large water tank capacity tank with top fill design is easy to refill from the top and holds 4L/1.06Gal of water for...
  • 【Maintains Ideal Humidity】: Automatically adjusts the mist level from High, Medium and Low based on the ambient humidity to keep the room at an...
  • 【Ultra-Fine Mist】: Equipped with a 2.4MHz ultrasonic atomizer that produces ultra-fine mist that easily spreads throughout your space without...
  • 【Low Noise Operation】: Produces noise as low as 25dB, this humidifier is so quiet you won’t realize it’s running so you can sleep or work...
  • 【Safety First】: Multiple protections including low water protection, water tank shut-off place protection, boil-dry protection, and dual-seal...

Having trouble finding a great top rated cool mist humidifier?

This problem is well understood by us because we have gone through the entire top rated cool mist humidifier research process ourselves, which is why we have put together a comprehensive list of the best top rated cool mist humidifiers available in the market today.

After hours of searching and using all the models on the market, we have found the best top rated cool mist humidifier for 2023. See our ranking below!

How Do You Buy The Best Top Rated Cool Mist Humidifier?

Do you get stressed out thinking about shopping for a great top rated cool mist humidifier? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching top rated cool mist humidifier, which is why we have assembled a comprehensive list of the greatest top rated cool mist humidifier available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for top rated cool mist humidifier that you consider buying. Your questions might include the following:

  • Is it worth buying an top rated cool mist humidifier?
  • What benefits are there with buying an top rated cool mist humidifier?
  • What factors deserve consideration when shopping for an effective top rated cool mist humidifier?
  • Why is it crucial to invest in any top rated cool mist humidifier, much less the best one?
  • Which top rated cool mist humidifier are good in the current market?
  • Where can you find information like this about top rated cool mist humidifier?

We’re convinced that you likely have far more questions than just these regarding top rated cool mist humidifier, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for top rated cool mist humidifier, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible top rated cool mist humidifier. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an top rated cool mist humidifier buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available top rated cool mist humidifier currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of top rated cool mist humidifier has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an top rated cool mist humidifier?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your top rated cool mist humidifier.
  5. Customer Ratings: Number ratings grade top rated cool mist humidifier objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their top rated cool mist humidifier.
  7. Product Quality: You don’t always get what you pay for with an top rated cool mist humidifier, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an top rated cool mist humidifier is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining top rated cool mist humidifier information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding top rated cool mist humidifier is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

Related Post:

FAQ:

Q: What is the best warm mist humidifier?

A: Levoit LV 600HH Hybrid Ultrasonic Humidifier. If you’re willing to pay a little more for some great extras,the Levoit LV 600HH Warm Mist Humidifier is perfect for you. TTLife Ultrasonic Warm Mist Humidifier. … Vicks Warm Mist Humidifier. … Honeywell HWM-705B HWM705B Filter Free Warm Moisture Humidifier. …

Q: What is the highest rated humidifier?

A: Vicks V750 Warm Mist Humidifier. Water capacity: 1 gallon|Run time: Up to 24 hours|Settings: 2|Dimensions: 12 x 11 x 6 in. … Honeywell Designer Series Humidifier. … Levoit Top-Fill Humidifier&Diffuser. … Dyson PH01 Humidify+Cool Humidifier. … Crane Drop Ultrasonic Humidifier. …

Q: Why are cool mist humidifier benefits the coolest?

A: – Safest for use around kids and pets – Can be used year-round – More energy-efficient than warm mist models

Q: How to clean and maintain your cool mist humidifier?

A: Step#1: Unplug the electrical circuit and dismantle the parts of the humidifier (like a tank,tank cap,base,removable tray,etc.) for cleaning. Step#2: Make sure that you separate the water tank completely from the filter and the base of your unit. … Step#3: Open the lid of the reservoir and pour some undiluted white vinegar in the water tank. …