Yep, both the minerals, and the microorganisms breeding in the water get thrown into the air. For constant use, I personally recommend "evaporation humidifiers

Yep, both the minerals, and the microorganisms breeding in the water get thrown into the air. For constant use, I personally recommend "evaporation humidifiers" that use a wick and fan to induce evaporation. The wick will need to be replaced every several weeks.