Let’s be real: buying jugs of distilled water gets expensive. A gallon costs around a dollar, and a humidifier can eat through a gallon a night during dry season. That’s $30 a month just for water—ouch.
Unless you have a countertop water distiller. Those babies pay for themselves if you run humidifiers often. Or you can just use filtered tap water and deal with a little dust. Your call, my friend.
The ideal type of water for your dehumidifier
But if you have a cool-mist ultrasonic humidifier, you really must use distilled or demineralized water. Why? Those devices shatter water into microscopic droplets—meaning all those minerals go straight into your breathing zone.
The Lungs Factor
Here’s where it gets personal. Inhaling calcium and magnesium particles isn’t deadly, but for people with asthma or allergies, it can be a real nuisance. White dust can irritate your airways and trigger coughing fits.
Distilled water gives you pure vapor that feels like mountain air. Your sinuses will weep with joy (not literally, but close). And you won’t be breathing in what is essentially rock dust.
Disclaimer: I am not a doctor. I am just a person who woke up with a crusty nose and did too much internet research at 3 AM.
