Gypsum Caves: Gypsum caves, also known as gypsum karst caves, type from the dissolution of gypsum by groundwater. As a little bit acidic h2o percolates through gypsum-wealthy bedrock, it step by step dissolves the gypsum, developing underground voids and passages. Altered Soil pH: Gypsum may have a liming impact on soil. https://www.propanraya.com/id/produk/eco-gypsum-ee-4050