Gargoyle Water Fountain Aromamister Gargoyle Water Fountain Aromamister: Our Aromamisters are some of the most atmosphere enhancing products you will ever see. Perfect for home, office or anywhere you want to create a stress free environment. They utilize ultrasonic technology, so no unwanted chemicals need to be added to the Aromamister. It also generates a large number of negative ions, which help to freshen the air. Simply add water up to the fill line, add some drops of your favorite essential oil or fragrance and plug it in, Watch as the Misty smoke comes out of his mouth and fills the room with Aroma. Each Aromamister also has a water-level sensor switch that will automatically turn off the unit if it gets low on water.