Diatomaceous Earth by Flea Away DE is extremely effective for killing fleas that are hiding in carpets, either in your home or even outside where your pets might enjoy taking a rest. If you don't have any carpets, Flea Away DE can also be used on hardwood floors as a very effective way to kill off any flea infestations that may have found its way into your life. Diatomaceous Earth by Flea Away DE can be used for killing fleas in your garden. Just remember to use it when the grass is completely dry as moisture will significantly reduce its effectiveness. Situations where you want to use natural methods for flea control. There are many dangerous of using flea poisons, both for your pet and the people in your home. Diatomaceous Earth by Flea Away DE is not a toxic agent, it is also a natural organic wormer dosage for worming pets. The following can be given once or twice daily: Dogs weighing less than 10 pounds: 1/2 to 1 teaspoon. Dogs weighing 11 to 19 pounds: 2 teaspoons. Dogs weighing 20 to 50 pounds: 1 to 1 1/2 tablespoons. Dogs weighing 51 to 100 pounds: 2 tablespoons. Dogs weighing over 100 pounds: 3 to 4 tablespoons. Kittens: 1/2 to 1 teaspoon. Cats: 2 teaspoons.