Gypsum Caves: Gypsum Caves, often called gypsum karst caves, variety throughout the dissolution of gypsum by groundwater. As slightly acidic drinking water percolates by way of gypsum-abundant bedrock, it gradually dissolves the gypsum, developing underground voids and passages. With incorrect use, gypsum also can lead to damage to our gardens. https://www.propanraya.com/id/produk/eco-gypsum-ee-4050