Solubility: Gypsum is reasonably soluble in water, using a solubility of about two grams per liter at 25°C. Interestingly, gypsum reveals retrograde solubility, indicating its solubility decreases as h2o temperature boosts – as opposed to most salts that develop into extra soluble in very hot h2o. Agriculture: Soil Conditioner: Gypsum https://www.propanraya.com/id/produk/eco-gypsum-ee-4050