A floatation pod is filled with 10 inches of water, and 1000 pounds of Epsom salts that is kept at skin temperature. When you enter the pod it creates an environment that free from gravity and sensory input (light and sound). 24/7 Filtration When Not in Use, Under-Body Heater, Lobby Control System & Session Control, Ozone Purification, and Ultraviolet Purifications.