Watercress is fun and easy to grow at home. Take a look at our article showing you how to use the grocery store watercress to start your own patch of watercress at home. Hydroponic Water Cress. This is an image of commercially hydroponically grown watercress.
Fog is the extreme of humidity. Humidity control systems add or remove water vapor from indoor air to stay within proper humidity ranges. Humidity control is important for three reasons: 1  It is a large factor in people's thermal comfort.2  Excess moisture in a building can lead to mold and mildew, causing problems for indoor air quality.umidity control systems add or remove water vapor from indoor air to stay within proper humidity ranges. Humidity control is important for three reasons: 1  It is a large factor in people's thermal comfort.
1. Use a humidifier. Static electricity is more active when the air is dry, especially in the winter months when people heat their houses, further reducing humidity in the air. Increase the humidity in your house and workplace by using a humidifier. The water particles in the humid air break up static charge quicker. 1  Having plants around the house or workplace can help increase humidity as well. 2  You can create your own humidifier by simply boiling water on the stove. 3  You can add in an air freshener by adding spices like cinnamon or citrus rinds to the water.