Food Grade Diatomaceous Earth (Fossil Shell Flour) has many uses: in the household, with pets, on plants, around livestock, and for stored grain. It is totally organic and listed with OMRI. With more than 600 deposits of diatomite west of the Mississippi-and only four (to our knowledge) that can be considered food grade-it is very important that people know what they are using. The vast majority of diatomite deposits are impure. When diatomite is formed, water currents bring in foreign mate
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