Perma-Guard Diatomaceous Earth - Food Grade
Perma-Guard OMRI Certified Diatomaceous Earth is the purest food grade fresh water amorphous silica diatmaceous earth available. Derived from fossilized diatoms remains, Diatomaceous Earth can be used in the prevention against insect outbreak as it rubs against exoskeleton joints. Perma-Guard is food grade and OMRI certified which allows it to be used on food crops and is safe for human consumption. It can improve drought resentencing and insect invasion of plants due to high silica content.
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