Ozz Organic Diatomaceous Earth (DE)is a natural worming and parasite control for roundworms, pinworms, hookworms and threadworms. It is also a natural wormer for animals, including horses, dogs, cats and chickens. Made from the fossilized remains of tiny aquatic organisms called diatoms, a type of hard-shelled algae, DE is natural silica which accumulated millennia ago in river beds and streams. It is crushed to form a powder.
It is also effective around plants to keep pests away as well as can be used in chicken pens to keep away bugs.