Perma Guard 704094 diatomaceous Earth, 5 lb
- Perma-guard is OMRI certified food Grade which allows it to be used on food crops through harvest and is safe for Human consumption.
- Perma-guard is derived from fossilized diatoms remains.
- Perma-guard OMRI certified diatomaceous earth is the purest food Grade fresh water amorphous silica diatomaceous earth available.