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 add essential minerals. Commonly used in hydroponic and fertigation systems to supply readily available calcium to crops. Also utilized in food processing as a firming agent for canned fruits and vegetables. In industrial settings, serves in metal finishing and as a component in certain cleaning formulations.