Perma-Guardâ„¢ Diatomaceous Earth, 5 lb
Perma-Guardâ„¢ Diatomaceous Earth Fossil Shell Flour Food Grade

Perma-Guard OMRI certified Diatomaceous Earth is the purest food grade fresh water amorphous silica diatomaceous earth available. Perma-Guard is derived from fossilized diatoms remains. Perma-Guard is OMRI certified food grade which allows it to be used on food crops through harvest and is safe for human consumption.

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