Ultra Fine food grade Diatomaceous Earth (AKA Fossil Shell Flour). Mined and processed right here in Queensland, Australia. It is so fine it suspends in water and juices and can be used easily in many applications. E.g for families, insects, internal parasites, bed bugs, food and grain storage, all horticultural uses including  sprays, and for horses, chickens and all livestock. Containing a high level of soluble silica. DE Ultra Fine is a completely organic, all natural Product.