Spectrum - Bentonite Absorbent Swelling Clay

Bentonite is an absorbent swelling clay consisting mostly of montmorillonite. Bentonite usually forms from weathering of volcanic ash, most often in the presence of water. It’s sodium based. It has a strong earthy odor and consists essentially of Hydrous Alumina Silicate with various impurities. Bentonite is available in lumps and powder form of various sizes, grades, and purity.