PURE DE is a naturally occurring, soft, siliceous sedimentary rock formed from the fossilized remains of diatoms. Sourced from a freshwater deposit in Oregon, USA, it is composed of 100% pure, all-white freshwater diatomaceous earth, with no additives or fillers. PURE DE is completely natural and highly versatile, making it ideal for use in livestock areas, farm environments, and a wide range of household applications. Applied in a thin layer, it absorbs moisture and helps control odors, supporting a drier, healthier environment. - A home essential and farm staple, all in one 100% PURE DE formula. - 100% pure white freshwater diatomaceous earth - No additives and no fillers. - Universal application - A versatile absorbent ideal for livestock, farm, and home. - Safe & natural - Non-toxic, and mined responsibly in the USA. - Meets Food Chemical Codex (FCC) Grade standards - Verified quality and safety.