Gypsum is a mineral that is commonly used in various construction products such as plasters, drywall, and wallboard. It is also used as a soil additive to improve crops such as alfalfa, corn, cotton, wheat, and peanuts, and to overcome the corrosive effect of alkalinity. Other uses of gypsum include settling dirt and clay particles in turbid water without injuring aquatic life, and as a food additive to condition water used in brewing beer, to control the tartness and clarity of wine, and as an ingredient in canned vegetables and flour. Therefore, products that contain the mineral of gypsum include construction materials, soil additives, and food additives.