Perma-Guard Food Grade Diatomaceous Earth



Product Description

We are very proud to carry food grade fossil shell flour diatomaceous earth and our intent is to spread the word on this marvelous natural deposit!

Our Fossil Shell Flour is Pure Freshwater Diatomaceous Earth. It is of the highest quality available, being greater than 99.5% amorphous silica and less than 1/2% crystalline silica. Food Grade Fossil Shell Flour Diatomaceous Earth is used as an anti-caking agent.

Additional Resources

Food Grade Diatomaceous Earth MSDS


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