3 lb bag. (DE) is extremely fine ground shells of Diatoms (miniscule sea creatures) The crystalen shells are harvested from the ocean floor and finely ground exposing their microscopic sharp edges. When soft bodied insects come in contact with DE, the sharp edges penetrate the insect's exoskeleton resulting in loss of body fluids and death.

SKF Diatomaceous Earth OMRI Listed

$5.00Price