What to put in humidifier to prevent mold

What To Put In Humidifier To Prevent Mold?

Last Updated: November 1, 2021

Winter is here and with every passing day, we all have started using humidifiers more often which raises the issue of what to put in humidifier to prevent mold.

Humidifier does give us relief from dryness but there is always a concern of mold formation inside the humidifier. 

To ensure a healthy home environment for your loved ones you must know the tips and tricks to keep your humidifier mold free as a dirty humidifier can severely pollute your home air quality when turned on. 

Just like other home appliances, a humidifier also needs occasional inspection and maintenance to eliminate molds and residue build-ups.  

Do you know the same humidifier that freshens up the indoor with its incredible moisture restoring capacity can work the reverse if you are ignorant about its upkeeping? 

Hence we have formulated some easy remedies that you can try to prevent mold in humidifier and ensure its normal functioning.


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9 Things To Put In Humidifier To Prevent Mold

Use Distilled Water In Humidifier

Use Distilled Water In Humidifier

This is the most basic and simple solution to prevent mold in humidifier. 

You don’t need a tutorial to learn that putting plain tap water can lead to mineral deposition in the chamber inside. 

And when you turn on the unit it makes the indoor air heavy by releasing those particles along with the vapor.

So every time you turn on the humidifier use distilled water as the mineral content is almost negligible and hence is safe for humidifying your home and inhaling. 

All you need is to change the water regularly to prevent any bacterial and fungal invasion and in keeping your humidifier mold-free.

Add A Few Drops of Antiseptic Liquid

Another easiest way to disinfect your humidifier is to add a few drops of any antiseptic liquids such as Dettol or Savlon to prevent any possibility of mold formation.

To ensure a healthy home environment, you must sanitize the humidifier once a week using any of the disinfectants that we have mentioned. 

When you mix a few drops of the disinfectant with the water inside, it will not only aid in curbing the mold formation but also disperse a refreshing fragrance indoor. 

But as these antiseptic liquids have certain chemicals, we recommend using them for cleaning the cavity than as a room freshener.

Put A Few Drops Of Natural Neem Juice

Put A Few Drops Of Natural Neem Juice

Fond of herbal remedies? 

This one you can easily make by grinding a handful of neem leaves to extract the juice as your natural mold prevention solution.

Neem is a native to the Indian subcontinent and is loaded with amazing antibacterial and antifungal properties. 

You can use bottled juice but we rely more on the fresh neem extract that is 20 times more effective in executing the humidifier mold and germs.

So next time while cleaning the humidifier, wipe the interior with fresh neem juice and apply it all over the cavity to make the unit 100% germ-free.

Clean The Filters Of Humidifier Regularly

To prevent mold formation in humidifiers, you need to pay extra attention to the filters that do the prime job of dispersing breathable air indoor.

These moist filters are the ideal breeding spot for mold and fungal growth and hence need to be cleaned regularly than frequent replacement after a few uses.

You can easily clean the filters using basic ingredients like vinegar and bleach. 

All you need is to safely detach the filter and soak it in a proportionate mix of water and any of the mentioned ingredients to remove the filth and then install it again after drying it properly under the sun.

Change Humidifier Water Daily

This is one of the important tasks that most of us ignore (maybe because we are too lazy to replace unused water with fresh one) and unknowingly invite mold and bacteria to thrive in the home through the humidifying vapor.

Hence we suggest changing the water on a regular basis by emptying the unit and refilling it with fresh demineralized water. 

Do you know that the unused still water inside a humidifier can invite a host of diseases in your home by polluting the indoor air with allergens? 

So if your life relies heavily on a humidifier, it’s your responsibility to keep the unit clean by regularly changing its water and ensuring healthy living at home.

Use Hydrogen Peroxide To Clean Humidifier

Use Hydrogen Peroxide To Clean Humidifier

This is another effective disinfectant that works 100% in knocking out mold in humidifier every time you use it to deep clean the chamber.

But before you go ahead with this method, make sure you take proper precautionary measures as if your eyes or skin comes in direct contact with hydrogen peroxide it may lead to severe damage. 

Make sure your eyes and hands are properly covered before you start cleaning your humidifier with this chemical compound.

Some people suggest adding a few drops of hydrogen peroxide in the humidifier and inhaling the vapor to relieve yourself from wheezing and whining if you are suffering from acute respiratory issues, but this is a strict NO from our side. 

Study shows that overexposure to hydrogen peroxide will cause severe damage to your body, so it’s best that you consult your doctor before going ahead with this method. We would recommend not to try this method at all. 

Use Vinegar In Humidifier

If your wheezing and whining are getting serious with each passing day then have a look at your humidifier to check if you have treated it the right way. 

A dirty and unattended humidifier is the source of all health issues and the situation can worsen if you are still ignorant about its maintenance.

So without delaying further grab a bottle of white vinegar to give your humidifier a deep cleaning. 

White vinegar is extremely effective in dissolving any build-ups and hence is suitable to be used for wiping off the existence of mold and bacterial growth inside a humidifier.

Use Humidifier Tablets To Prevent Mold

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Another effective humidifier mold prevention technique is to add some humidifier tablets that are easily available in both offline and online stores and you can simply use them to address your concern.

Whether you want a mold free humidifier or get rid of lime deposit, these tablets work wonders in eliminating germs and in maintaining a breathable atmosphere inside your home.

The tablets work through ion exchange in terminating the mold and fungal growth in your humidifier which naturally leads to releasing fresh mist and effectively curbs the musty smell. 

So get some pack today to experience instant results.

Use Essential Oils in Your Humidifier

Use Essential Oils in Your Humidifier

If you have a humidifier with an essential oil diffuser then apart from following the above tips to prevent mold you can also put any of the below mentioned essential oils in humidifier to keep it mold-free. 

Do not put essential oil in your regular humidifier if it does not have an essential oil diffuser feature, you will end up damaging your humidifier. 

Also, make sure to clean your humidifier daily to remove the stickiness (due to oil)  in the inner walls of the humidifier.

Let’s have a look at the 8 essential oils that prevent mold in humidifier.

Thyme Essential Oil

Thyme Essential Oil

Putting thyme essential oil in a humidifier will keep it mold-free because it has amazing anti-fungal properties. 

The oil contains thymol, which actively helps to eliminate the trace of mold colonies and keep your humidifier germ-free.

Adding thyme essential oil in a humidifier not only prevents mold growth but also disperse a soothing fragrance inside your home. 

When you inhale the smell, it instantly uplifts your mood and keeps you active the entire day.

For those suffering from respiratory congestion, thyme essential oil is a great remedy in offering instant relief. 

Just add a few drops to a humidifier and inhale the vapor to check on your allergy symptoms. 

The vapor also aids in cleansing and purifying the skin. 

Oregano Essential Oil

Oregano Essential Oil

Researchers have found that putting a few drops of oregano essential oil in humidifiers is a great way to combat mold formation in the unit.

Oregano is basically a flavor-inducing herb used in dishes. 

But the oil when extracted in pure form is rich in anti-fungal properties that you can use in the humidifiers to keep it mold-free.

All you need is to put a few drops of the oil in the essential oil diffuser of the humidifier and let the aroma disperse all over the indoor. 

This works dually in eliminating the mold growth in humidifiers while the vapor greatly aids in reducing your skin inflammations and itchiness.

It is also reportedly the only oil to eliminate mycotoxins making it an ideal option to solve your home’s humidity issues.

Cinnamon Essential Oil

Cinnamon Essential Oil

Among all essential oils available, cinnamon has come out as the safest and the most effective agent in curbing mold and bacterial growth in a humidifier.

The cinnamon essential oil has strong components like eugenol, and linalool which are potent agents in eradicating fungal growth, and the best part is it doesn’t stain the humidifier cavity. 

So, if you are suffering from any fungal or yeast infections, then adding some cinnamon oil to your home humidifiers can help in relieving the condition to a great extent. 

To ensure a mold-free humidifier, we recommend using pure cinnamon oil for visibly better results. 

This therapeutic oil when dispersed as mists greatly helps to calm down your soaring throat besides leaving a soothing aroma all over the home.

Tea Tree Essential Oil (Also known as Melaleuca oil)

Tea Tree Essential Oil (Also known as Melaleuca oil)

Also known as Melaleuca oil, tea tree essential oil is one of the most commonly used oils for its miraculous ability in fighting bacterial and fungal infections. 

You can use a few drops of this therapeutic oil in your humidifier to disinfect the unit and eradicate any possibility of mold formation. 

It also acts as an active agent in curbing the lingering musty smell which is common in homes with excess humidity levels

Using tea tree oil in a humidifier keeps the filter germ-free and freshens up the home environment with its calming fragrance. 

If you are prone to cold and flu, then a few ounces of this oil in a humidifier can help in relieving the symptoms and also reduce the chances of seasonal infections.

Clove Essential Oil

Clove Essential Oil

Do you know the clove oil you use to soothe your toothache is also a superb disinfectant? 

So, it’s time to make the best use of this natural disinfectant by adding a few drops in a humidifier to keep the unit mold-free. 

The cavity in every humidifier is a perpetually moist area that paves the way for molds to thrive and starts polluting your home when you forget to clean and change the water. 

So, for busy bees like you, we suggest putting essential oil in humidifier like clove oil which is highly effective in terminating black molds and keeping your humidifier germ-free. 

Besides eliminating germ growth, putting clove oil in a humidifier has several health benefits for people with asthma triggers and respiratory congestion. 

Peppermint Essential Oil

Peppermint Essential Oil

Again a very familiar and extensively used essential oil for aromatherapy and topical applications, peppermint oil is hailed as the best suited to be used in a humidifier for revitalizing your home ambiance.

This oil has a cool and refreshing aroma along with potential anti-bacterial and anti-viral properties. 

So if you don’t get enough time to clean your humidifier, add some drops of peppermint oil to keep the unit safe from germ and mold invasion.

Adding peppermint oil to your home humidifiers offers some amazing health benefits as the dispersed vapor not only refreshes the indoor air but also helps in relieving the symptoms of cold and flu, headaches and nausea.

So if you are having any of these mentioned symptoms, give peppermint oil a try.

Lemon Essential Oil

Lemon Essential Oil

Lemon oil is widely used as active home health improving agent that you can also add to your home humidifier to prevent germ and mold build-ups. 

Besides its rich aroma, lemon essential oils have excellent anti-viral and anti-bacterial qualities which when releases as vapor through a humidifier greatly aid in reducing various health issues.

Inhaling the aroma of lemon essential oil improves mental health and helps to heal anxiety and panic attacks. 

Due to its high level of antioxidants, lemon oil is also a great soothing agent for people with skin inflammations and infections. 

Once you start adding drops of lemon oil to your home humidifier, you will notice a visible improvement in your soar throat and dry nose which were your consistent morning woes.

Rosemary Essential Oil

Rosemary Essential Oil

Rosemary essential oil has a loyal fanbase for those who love soothing aromas for uplifting their home ambiance.

But the oil is also a potent natural disinfectant owing to its anti-microbial and anti-fungal elements that effectively prevent mold growth in humidifiers when used for an extended period.

To maintain a healthy home environment, rosemary oil is undoubtedly best suited for improving indoor air quality by eliminating any traces of germs and harmful bacteria. 

Inhaling the rosemary aroma also has a profound impact on your mental wellbeing and alleviates symptoms of anxiety and depression.

To get visible benefits add 2 drops of pure rosemary oil to the humidifier and experience how it aids in relieving allergies, asthma, and respiratory syndromes in just a few days.

Final Thoughts

If humidifiers have become an indispensable part of your life then it’s crucial to invest some time to ensure their normal functioning.

We are aware that it may not be possible for you to clean each humidifier daily but at the same time, we can’t ignore the fact that a neglected humidifier can be the sole reason for multiple health problems. 

So we have listed some very easy-to-follow solutions that you can try to prevent mold in humidifier.

These easy to follow tips and tricks will keep your home environment healthy and your humidifier mold free so that you can enjoy fresh breathable air every day.

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