Solubility: Gypsum Is reasonably soluble in drinking water, that has a solubility of about two grams for each liter at twenty five°C. Apparently, gypsum exhibits retrograde solubility, meaning its solubility decreases as water temperature increases – as opposed to most salts that turn into far more soluble in sizzling water. https://www.propanraya.com/id/produk/eco-gypsum-ee-4050