Gypsum Caves: Gypsum Caves, generally known as gypsum karst caves, kind in the dissolution of gypsum by groundwater. As a little bit acidic drinking water percolates by gypsum-prosperous bedrock, it slowly dissolves the gypsum, building underground voids and passages. Altered Soil pH: Gypsum may have a liming impact on soil. This https://www.propanraya.com/id/produk/eco-gypsum-ee-4050