Colloidal Silver is often used in humidifiers to prevent mold in the machine and improve air quality. The natural anti-fungal properties of CS helps maintain cleanliness of the machine as well as providing a mist of CS in the air.
All that is needed is to add a tablespoon or two of high quality Colloidal Silver to the water in your humidifier each time you fill it up!
It is recommended to use distilled or deionized water in your humidifier when adding Colloidal Silver to prevent the CS reacting with minerals in tap water.
Check out this high quality humidifier!