Wondering if garden-safediatomaceousearth can harm animals or contribute to environmental pollution? Evidence shows this is very unlikely and that diatomaceousearth is actually nontoxic to mammals, fish and aquatic invertebrates. Find helpful customer reviews and review ratings for GardenSafe Insect Killer, DiatomaceousEarth, 1 Pack at Amazon.com. Read honest and unbiased product reviews from our users. Instructions. Use a hand duster, power duster or squeeze bottle to apply GardenSafe Brand Crawling Insect Killer Containing DiatomaceousEarth. Dust in areas where crawling insects are found, including cracks and crevices; behind and beneath refrigerators, cabinets... The two types of diatomaceousearth include food grade and garden grade, also called pool grade. Food grade is the only type that is safe to eat, and you have probably eaten small quantities of diatomaceousearth without realizing it. Diatomaceousearth is commonly recommended for pest control in the garden and home. It has benefits and drawbacks, depending on your situation. Learn about the pros and cons of DE and how to use it in this complete guide. Use GardenSafe Brand DiatomaceousEarth Crawling Insect Killer for organic gardening. The formula kills listed insects by contact, including German cockroaches, ants,* beetles,** fleas, mealybugs and other listed crawling insects. GardensafeDiatomaceousearth works as a mechanical pesticide and a user can see a difference in 24 hours when applied properly. DiatomaceousEarth kills listed insects by contact. GardenSafeDiatomaceousEarth, 4lbs.This 4lbs pack of diatomaceousearth is an organic way to control pests in your garden. The fine powder containing fossilized marine organisms can be used around outdoor plants to deter pests. GardenSafeDiatomaceousEarth Crawling Insect Killer kills cockroaches, ants, silverfish, beetles, fleas, bed bugs, and other crawling insects as listed. Use this diatomaceousearth based... How GardenSafe Crawling Insect Killer Works. This insect killer uses diatomaceousearth, a natural and highly effective ingredient. When crawling insects like ants, cockroaches, and fleas come into contact with the powder, it dehydrates their exoskeletons, leading to their elimination.