Although it is most often used to kill roaches, borax can kill fleas effectively. Borax comes in different forms, but powdered borax is easy to spread over carpet and in tight spaces where fleas sometimes hide. More »

Neem oil is used for dandruff, nourishing the skin, killing lice, clearing acne and treating nail fungus, according to alternative medicine expert Cathy Wong for About.com. It is also a natural insecticide, and the oil i... More »

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To use diatomaceous earth, lightly dust it onto areas where pests are a problem, and then reapply the substance after every rainfall or heavy dew. Only use food-grade diatomaceous earth to kill pests. More »

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Since a flea can lay eggs for 12 days, it takes borax approximately 2 to 6 weeks to control the whole cycle of fleas. Borax is more effective in killing the eggs and larva than the adult fleas, making the time duration i... More »

When used on its own, borax will not kill insects such as fleas and ticks. Additionally, boric acid, which is a refined version of borax, is a popular pesticide that will kill many household pests, but not ticks or fleas... More »

To kill fleas with borax powder, clean the breeding grounds for the fleas with a vacuum, sprinkle the borax powder over the surfaces, and allow the powder to sit on the surfaces for at least a day to kill the fleas. Vacu... More »

To get rid of fleas, wash your pet, clean exposed bedding, vacuum floors and apply a flea solution around the yard. A flea comb, dish soap and a bowl of water are necessary for washing the animal. Foggers for the home ma... More »

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