Used in agriculture to correct calcium deficiencies in soils, improving cell wall structure in plants and preventing issues like blossom end rot in tomatoes and peppers. Applied in water treatment to adjust pH and provide essential nutrients in drinking water. Utilized in food and beverage industry as a nutritional supplement and stabilizer. Commonly found in hydroponic systems to ensure proper plant development. Also used in some industrial processes requiring a soluble calcium source for precipitation or neutralization reactions.