What To Put In Humidifier To Prevent Mold? All You Need To Know

Helen Skeates
Helen Skeates
21 min read

The addition of white vinegar and distilled water to your appliance is beneficial. To avoid the growth of mold, you now know what to put in your humidifier.

It’s always nice to have a humidifier around the house. You’ll feel more at ease, and your skin will be healthier as a result.


The Benefits Of Using A Humidifier

Humidifiers add moisture to the air, making a cramped space more pleasant to be in. If you suffer from asthma or respiratory troubles, they’re a need.

Vicks Starry Night Cool Moisture Humidifier with Projector & VapoPad Scent Pad Heater, Pink - Walmart.com

During the chilly months, have you noticed your lips cracking and your nose growing dry? There’s a simple solution to all of these issues: a humidifier. Humidifiers are popular for a variety of reasons, including the following:

1. It keeps the skin and hair moist

During the winter, it’s not uncommon to have chapped lips and scaly hands. Using heaters is a common solution, but the warm and dry air they produce is not good for your health. Using a humidifier can alleviate some of the discomforts of living in an enclosed space.

2. It helps manage dry cough

When the air is dry, people are more likely to develop a cough that is not productive. Help relax your airways using a humidifier.

3. It’s good for snoring

Snoring is more common when your airways aren’t adequately lubricated by moist air. The symptoms of dry air can be eased with the use of a humidifier.

4. It’s beneficial for your home

In addition to benefiting your health, a humidifier can also benefit the environment. Houseplants thrive in a humid environment and wallpaper doesn’t crack.

The humidifier, on the other hand, should be used with prudence as well. Avoid placing it too close to your bed if you suffer from respiratory issues. Here’s a chart showing the ideal distance between your humidifier and your bed.

It is also possible for unclean humidifiers to do more harm than good. To avoid getting sick, you must thoroughly clean the inside of your home.

In the end, we’re getting to what’s really important: mold growth in your humidifier.

How Does Mold Form Inside?

Mold thrives in humidifiers because they are enclosed tanks that distribute moisture throughout the air. Mold can be identified by the presence of black, green, white, or brown patches.

If you see anything like this, you need to clean your device immediately. Asthma and allergies might develop if the humidifier is left neglected.

Step-By-Step Process On Cleaning A Moldy Humidifier

Your device should be cleaned as soon as mold is discovered. The cleaning process is simple and won’t take long.

Empty the humidifier as the first step.

Step #2: Rinse your humidifier with hot water and white vinegar.

3. Scrub everything clean. Remove mold and scales with a soft-bristled brush

Step #4: Rinse the mold with warm water to remove the last of it.

Step #5: Before reassembling the pieces, make sure they are completely dry. This will stop mold from forming again. A look at how mold dies when it is exposed to the elements.

Useful Additives That Can Prevent Mold

Reassembling your humidifier is now possible after you’ve completed cleaning it. Mold can’t grow in your gadget again if you use a few helpful chemicals.

1. White vinegar

Add one cup of this antibacterial liquid to your humidifier to help keep mold at bay.

2. Tea tree oil

To prevent the growth of mold spores in your gadget, use this essential oil. Mold can be avoided by adding a few drops of this essential oil to your humidifier. Asthma sufferers may benefit from using this oil as a respiratory aid.

3. Hydrogen peroxide

Mold won’t develop in your humidifier any longer if you add a few drops of this chemical to the reservoir!

4. Humidifier tablets

A humidifier can become a breeding ground for mold if it isn’t properly maintained. Keep your humidifier clean by popping in one of these tablets.

How To Prevent Bacteria In Your Humidifier

Adding additives to your humidifier may not always be sufficient. To keep your equipment free of bacteria, you need perform frequent sanitization procedures.

Change the water regularly

Don’t leave water in your humidifier for too long. If you keep the water in for an extended period of time, mineral deposits may form.

Use distilled water

The mineral concentration of distilled water is lower than that of tap water. If left unchecked, these mineral deposits could turn into bacteria or mold.

Clean the device regularly

Keep your humidifier clean to avoid mold growth. Using the techniques above, clean the container once a week, and set aside time once a month to thoroughly clean the tank.

Keep the surroundings dry

Make sure that the area around your humidifier isn’t overly wet. Moisture buildup can result in the formation of mold and germs.

Make sure your air is clean

To get the most out of your humidifier, you’ll want to make sure the air around you is clean. Regularly changing the filter in your HVAC system is a good idea.

Keep your humidifier up to date

In time, older humidifiers may not perform as well and may begin to malfunction. In most cases, they will endure for five years before needing a new one.

Store the device properly

All used filters and water cartridges should be disposed of after being thoroughly dried.

Amazon.com: Vicks Starry Night Cool Moisture Humidifier with Projector & VapoPad Scent Pad Heater, Pink : Home & Kitchen

Cheap and effective additives to prevent mold in your humidifier

There are a few inexpensive additives you may use in the water tank of either a filterless humidifier or a steam humidifier to prevent mold. To avoid spending more money, you may already have these ingredients in your home for other uses.

Hydrogen peroxide

When it comes to humidifier mold prevention, the cheapest solution is hydrogen peroxide. It is antibacterial and antifungal, and you don’t need a lot of it to keep mold at bay. Your humidifier’s water tank is protected from mold and bacteria growth by adding half a teaspoon each time you fill it up.

Tea tree oil

This essential oil, distilled from the Melaleuca plant, is antibacterial, antifungal, and antiviral, making it an excellent choice for mold prevention. Add 5 or 6 drops to your humidifier’s water reservoir to use as a natural disinfectant and a breathing aid for those with asthma or other respiratory problems.

White vinegar

Adding white vinegar to your humidifier can help keep mold at bay because it has antibacterial and antimicrobial characteristics of its own. Mold growth can be prevented by adding a cup of vinegar to the water tank each time it is filled.

The 2 best specialty products for mold prevention

In addition, you may protect your humidifier from mold growth by using a few specialized things. They’re a little more expensive, but they work so well that the added expense is well worth it.

Tank cleaning cartridges

There is no need to worry about bacteria and mold in your humidifier tank thanks to the ProTec Humidifier Tank Cleaning Cartridge, or any other brand for that matter. You can keep them in the tank when you refill it because they last about 30 days.

Bacteriostatic treatment liquids

An evaporative humidifier’s bacterial and algae buildup can be reduced by using a bacteriostatic treatment liquid, like the Essick Air 1970-2 liquid. Because only a tiny amount is required for each fill of the humidifier’s tank, the bottle will last for quite some time while still maintaining the quality of the air in your house.

Easy steps to prevent mold

Additionally, there are a few additional humidifier mold avoidance methods you may add to the list.

Regular cleaning

One of the most critical steps in avoiding mold growth is to clean a humidifier, whether it’s a Crane, a Vicks, or another brand. Use a gentle cleanser and a soft-bristled brush to go into all the nooks and crannies of your skin. Cleaning the humidifier’s exterior with a moist cloth is another option. Before filling the tank and starting the machine, make sure the parts are totally dry.

Use distilled water

There is less white dust produced when distilled water is used in your humidifier’s water tank since it has less minerals than tap water. As a bonus, this also decreases the risk of you breathing the white powder.

Replace filters regularly

Changing the filters in your humidifier on a regular basis will help keep mold at bay. This system’s filters capture all of the water’s pollutants and keep them from leaving the machine. Mold can build on the filters over time if they aren’t cleaned or replaced frequently.

Why does mold appear in your humidifier?

A humidifier is an ideal environment for the growth of mold because it provides a constant supply of both moisture and heat. For mold to thrive, even cool mist humidifiers need to be placed in a room that’s already warm. Mold can start growing in as little as 24 to 48 hours, so it’s important to take precautions to keep your humidifier’s output clean.

What is dangerous in mold spores?

Because mold may grow just about anywhere there is moisture, it is necessary to take preventative measures. People who have preexisting health disorders, such as asthma, allergic reactions, and respiratory issues, may experience health complications if mold is allowed to spread.

Mold development in your humidifier and other moisture-related locations in your house can cause irritation or discomfort even in people who don’t have respiratory ailments or concerns.

The Best Humidifier Zaps Away Bacteria and Mold With an Ultraviolet Beam

Dyson Air Multiplier AM10 Hygienic Mist Humidifier

As a bonus, the Dyson employs an ultraviolet light to destroy microorganisms, and it automatically adjusts its power based on the humidity level in your home. You can buy a humidifier for about the cost of one month’s rent, but if you can afford it, you might as well move into a property with a central air conditioning system. You can also get this humidifier and boast that you own the Mercedes of humidifiers. It’s up to you.

Ultrasonic Aroma Diffuser

The “Ultrasonic Aroma Diffuser” from Muji, which they use as humidifiers, is a favorite among architects in California, according to one of our sources.

Urpower Essential Oil Diffuser

There are more than 25,000 Amazon customer reviews for this little, low-cost Urpower diffuser, with an overall rating of 4.4 stars. Despite the fact that this is completely out of the ordinary, if you believe in the power of democracy, this humidifier might be right for you. Here are some more humidifiers that Amazon reviewers adore (and here are some more humidifiers).

Swizz Style Jerry Personal Ultrasonic Humidifier

Here’s another charming one to keep on your desk at work that’s simple, effective, and attractive in a quirky way.

Honeywell HCM350W Germ Free Cool Mist Humidifier

Finally, the Honeywell, a stalwart in the humidifier industry, is worth mentioning. As an allergist, Dr. Sonal Patel used the HCM 350 to treat her daughter’s allergies when she was a baby, and Consumer Reports says it performs an excellent job of preventing bacteria from growing in the container (like Vicks) and escaping into the air (like the HCM).


Is it OK to run vinegar through humidifier?

Is it possible to use vinegar in a humidifier? Keep your mouth shut. As a humidifier cleaner, vinegar can irritate your eyes, nose, throat, and lungs if you run the humidifier with vinegar in it.

Can you put essential oils in a humidifier?

Is using essential oils in your humidifier safe? The quick answer is no, it is not.

Can I put fabric softener in my humidifier?

You’ll be inhaling fabric softener, which was never intended to be used in a humidifier. Your humidifier, which was designed to only hold water, could be harmed as a result.

Does humidifier cause mold?

That being said, it is possible for humidifiers to induce mold development, but only if they are used in an unregulated manner that raises the level of moisture in the home (usually above 55 percent relative humidity).

Vicks Starry Night Cool Moisture Humidifier Reviews | Tell Me Baby

Do humidifiers prevent mold?

How to Prevent Mold Growth in a Humidifier The water chamber of your humidifier can benefit from a variety of modifications to keep mold and scaly development at bay. Humidifiers, by their very nature, produce a warm, moist environment conducive to the growth of mold.

Does desiccant prevent mold?

Using desiccant is a way to remove moisture from the air. It sucks up and holds on to water droplets. MoldAwayTM prevents the spread of mold spores in your home, which reduces the risk of health issues for you and your family. Montmorillonite Clay is an adsorbent that is naturally occuring.

Can I put apple cider vinegar in my humidifier?

Using Vinegar in Your Humidifier Is Safe? Absolutely. To prevent the formation of germs, mold, and fungi, you can safely pour vinegar through the humidifier. Using vinegar in your humidifier is perfectly safe because to the disinfectant characteristics of the vinegar.

Can I use hydrogen peroxide to clean humidifier?

The humidifier’s base should be filled with hydrogen peroxide or white distilled vinegar. The base of the unit should be scrubbed clean with a clean toothbrush to remove any film or mineral buildup. Wait at least 10 to 30 minutes before removing the liquid from the humidifier’s base.


Mold can form on humidifiers, which is a shame because they’re such useful devices. When you know what to put in your humidifier to keep mold from growing, you can keep it clean. At last, you’ll be able to breathe easy in your own home!

Helen Skeates

Helen Skeates

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