We have been a proud supplier of competitively priced Perma-Guard Food Grade Diatomaceous Earth (Fossil Shell Flour) for over a decade. To learn more about diatomaceous earth, click here. To …
Courtesy of our supplier, Perma-Guard: “Diatomaceous Earth packaged under our Fossil Shell FlourĀ®label comes from an extremely pure fresh water deposit of fossilized Aulacoseira diatoms created in the Miocene epoch. Why is …