Solubility: Gypsum is reasonably soluble in water, having a solubility of about two grams for every liter at twenty five°C. Curiously, gypsum displays retrograde solubility, which means its solubility decreases as h2o temperature increases – contrary to most salts that become far more soluble in scorching h2o. Agriculture: Soil Conditioner: https://www.propanraya.com/id/produk/eco-gypsum-ee-4050