Solubility: Gypsum Is reasonably soluble in h2o, having a solubility of about 2 grams per liter at 25°C. Apparently, gypsum displays retrograde solubility, meaning its solubility decreases as drinking water temperature raises – contrary to most salts that come to be extra soluble in hot h2o. Agriculture: Soil Conditioner: Gypsum https://www.propanraya.com/id/produk/eco-gypsum-ee-4050