Solubility: Gypsum Is moderately soluble in water, with a solubility of about two grams for each liter at 25°C. Curiously, gypsum exhibits retrograde solubility, indicating its solubility decreases as drinking water temperature improves – in contrast to most salts that grow to be much more soluble in sizzling water. Purely https://www.propanraya.com/id/produk/eco-gypsum-ee-4050