How to say “Ultrasonic humidifiers leave a fine white dust on the furniture if you fill them with tap water.” in Japanese
In Japanese
超音波式の加湿器に水道水を入れると、家具に白い粉がつくんだよ。
Chōonpashiki no kashitsuki ni suidōsui o ireru to, kagu ni shiroi kona ga tsuku n da yo.