Used in agriculture as a fertilizer to correct magnesium deficiency in soil, promoting healthy plant growth and chlorophyll production. Commonly applied in horticulture for crops like tomatoes, potatoes, and roses. In medicine, it serves as a treatment for magnesium deficiency, seizures in pregnancy (eclampsia), and acute asthma attacks. Administered orally or intravenously depending on the condition. Also found in bath salts, where it is believed to soothe sore muscles and reduce inflammation when dissolved in water. Industrially, it is used in brewing, textile processing, and as a drying agent due to its hygroscopic properties.