Gypsum Caves: Gypsum caves, generally known as gypsum karst caves, form in the dissolution of gypsum by groundwater. As somewhat acidic drinking water percolates as a result of gypsum-loaded bedrock, it step by step dissolves the gypsum, building underground voids and passages. Altered Soil pH: Gypsum might have a liming effect https://www.propanraya.com/id/produk/eco-gypsum-ee-4050