Pure food grade. DE is not earth or dirt. It is the fossilized remains of Melosira Preicelancia, microscopic one-cell aquatic plants. As these diatoms fossilized they retained their tubular shape and …
Ingredients
100% Pure Fresh Water Diatomaceous Earth, Mined Naturally Milled and Bagged in the United States. It is Heated Amorphous (Non-Crystalline) Silicon Dioxide.


