Gypsum Caves: Gypsum Caves, also called gypsum karst caves, kind from the dissolution of gypsum by groundwater. As slightly acidic water percolates by means of gypsum-prosperous bedrock, it step by step dissolves the gypsum, creating underground voids and passages. Altered Soil pH: Gypsum can have a liming impact on soil. This https://www.propanraya.com/id/produk/eco-gypsum-ee-4050