Can I Use Reverse Osmosis Water in My Humidifier?

Humidifiers are beneficial devices that can prove to be your best friend if you live in a place with low humidity. They serve their purpose by adding water particles to every air molecule that comes in contact with the device’s spray. The overall moisture is increased by conventional flows.

For a humidifier to work optimally, it needs the best quality water. This can usually be achieved by using pure water or distilled water. So, can water obtained by reverse osmosis also be used? If you’re thinking about answering this question, you’re in the right place. In this article, we’ll explain everything you need to know about reverse osmosis and humidifiers.

Can You Use Reverse Osmosis Water In A Humidifier?

Yes, you can use reverse osmosis water in your humidifier, but only as a last resort if you don’t have access to distilled water.

Reverse osmosis is an essential process for turning contaminated water into drinkable water. We’ve already mentioned that humidifiers need water as pure as possible to reach their full potential.

If you’re in a pinch, reverse osmosis water can work well if there are no problems with the humidifier and the water itself has no issues. You should also note, however, that osmosis isn’t always perfect. It removes about 95 percent of all minerals and impurities. Therefore, some salts and other minerals remain in the water in negligible amounts.

Although it’s good, reverse osmosis water isn’t ideal for humidifiers. You should avoid it as long as possible because the chances of it having adverse effects are low. This is especially important if the water source you take the water from contains a lot of impurities and minerals. These mineral deposits could affect the humidifier’s mist over time.

Related reading: Best Water for Humidifier

Can Reverse Osmosis Water In Humidifier Cause Allergic Reactions?

We’ve already mentioned a slight chance of adverse effects with reverse osmosis. While most people show absolutely no reaction to the impurities in the air, people who’re sensitive to dust may show allergic reactions to the mist mixed with reverse osmosis water.

The main reason is that reverse osmosis water not only contains a small amount of minerals, but these minerals can also easily attract germs and bacteria from the air if left in the tank for a long time. Therefore, you shouldn’t only refrain from using reverse osmosis water and clean the device and the tank regularly to avoid possible problems if sensitive and allergic people are nearby.

Is Reverse Osmosis Water Acidic or Alkaline?

While tap water is always alkaline, reverse osmosis water is acidic. This is because the mineral cartridge used in water treatment adds small amounts of calcite to the water. When the impurities are removed from the water, the taste changes significantly.

The calcite serves to bring the water to an acceptable level. However, this lowers the pH of the water, which allows hydroxonium ions to form. This is the main reason why reverse osmosis water tends to be acidic.

Note that while reverse osmosis water is acidic, this acidity is by no means harmful. If anything, it’s better for drinking than pure water without minerals. Apart from the disadvantage mentioned above, the acidic nature of the water has no adverse effects even if you use it in humidifiers.

Related reading: Can You Use Dehumidifier Water in A Humidifier?

How To Clean Your Humidifier from Reverse Osmosis Water?

Let’s say you’ve used reverse osmosis water in your humidifier in the past. Now that you know the drawbacks and don’t want to take any chances, you should clean the humidifier to remove all traces of reverse osmosis water.

Removing the reverse osmosis water is quite simple. You just need to rub some hydrogen peroxide solution from the store on the device with a dry cloth. And all traces of the reverse osmosis water will be gone. Be careful not to use too much of the hydrogen peroxide solution.

Related reading: Do You Put Hot Water or Cold Water in a Humidifier?

Conclusion

In short, yes, you can use reverse osmosis water in your humidifiers.

However, we don’t recommend it, as it could affect not only you but other allergy sufferers as well. Distilled water is a much better choice.

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