Perma Guard Diatomaceous Earth Fossil Shell Flour Food Grade 10 lb (2/Cs)
was $32.89 Special Price $27.96
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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