Solubility: Gypsum is reasonably soluble in water, which has a solubility of about two grams per liter at twenty five°C. Curiously, gypsum reveals retrograde solubility, which means its solubility decreases as water temperature increases – compared with most salts that turn out to be much more soluble in warm h2o. https://www.propanraya.com/id/produk/eco-gypsum-ee-4050