Harris Food Grade Diatomaceous Earth is considered a GRAS item (generally recognized as safe by the FDA). Can be used in animal feed. Ground Freshwater Diatomaceous Earth (Fossil Shell Flour). OMRI listed with the Organic Materials Review...
Harris Food Grade Diatomaceous Earth is considered a GRAS item (generally recognized as safe by the FDA). Can be used in animal feed. Ground Freshwater Diatomaceous Earth (Fossil Shell Flour). OMRI listed with the Organic Materials Review...