Gypsum Caves: Gypsum Caves, often called gypsum karst caves, kind with the dissolution of gypsum by groundwater. As a little acidic water percolates by way of gypsum-abundant bedrock, it progressively dissolves the gypsum, making underground voids and passages. Gypsum for soil treatments this issue by breaking down compacted soil to https://www.propanraya.com/id/produk/eco-gypsum-ee-4050