Yeah agreed. But I guess I’d rather do that than clean it off my walls (and lungs apparently?). Definitely recommend getting a bigger one than you need, though, so you can run the fan lower and the media takes a little longer to get crusty.
So, I actually had this because of my humidifier. I was using an ultrasonic humidifier with tap water - I know distilled is recommended, but with how dry it is here, that would mean an insane amount of bottled water. But I noticed a film of white dust appearing around the room from the dispersed salts and whatnot. Turning off the humidifier (and later replacing it with an evaporative style) cleared up my daily stuffiness instantly.