More than 101 easy ways to go green using Food Grade Diatomaceous Earth; easy to read book with suggestions for using DE. Gives tips on how to use Food Grade DE for everything from your animals to environmental uses. An easy guide book for using a safer alternative, natural mineral, food grade insecticide: For homes, gardens, animals, birds, grains, farms, crops, orchards, buildings, & environment. 167 Pages. Copyright © 2010.