Gypsum Caves: Gypsum Caves, also referred to as gypsum karst caves, kind from the dissolution of gypsum by groundwater. As somewhat acidic h2o percolates by means of gypsum-rich bedrock, it progressively dissolves the gypsum, generating underground voids and passages. With incorrect use, gypsum may lead to damage to our gardens. https://www.propanraya.com/id/produk/eco-gypsum-ee-4050