When used properly, crushed eggshells can work similar to diatomaceous earth to kill harmful insects, like Japanese beetles, slugs, and snails, in your garden. Learn how to make eggshell powder, and how to effectively use it as a natural garden pesticide. Includes detailed tips for cleaning, and drying, the best way to crush eggshells into a fine powder, how to use eggshells as organic pest control, and how to properly store any leftover powder for later use so it won’t mold.