Diatomaceous Earth, Food Grade, 100% Pure, 2 sizes
2.75 4.98 $2.75 - $4.98
Perma-Guard Brand, fresh water deposit. Out of 600 deposits in the US, only four are considered "Food Grade" by FDA standards. Other deposits may contain higher amounts of sediment and clay that make them less effective and less pure. The unique shape and constitution of these fossilized diatoms make this mined white powder deadly to a variety of hard-shelled pests, from snails to bedbugs to fleas. Safe for all mammals and birds. Keep out of your eyes and lungs.