Solubility: Gypsum is moderately soluble in drinking water, using a solubility of about 2 grams per liter at twenty five°C. Curiously, gypsum displays retrograde solubility, that means its solubility decreases as h2o temperature raises – compared with most salts that turn out to be much more soluble in scorching h2o. https://www.propanraya.com/id/produk/eco-gypsum-ee-4050