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Insect Dust Diatomaceous Earth - 4.4 lb

Item #: 50020-7

Our price: $16.95

Video available below

Insect Dust kills fleas, ants, cockroaches, bedbugs and all crawling insects around your home. Safe and effective, made from natural Diatomaceous Earth. This 4.4 pound bag treats 1,800 square feet. read more

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Our Price: $16.95


Use Insect Dust to eliminate crawling insects around your home. Our diatomaceous earth comes in the form of a chalky powder, and is the natural fossilized remains of diatoms, a type of hard-shelled algae. Diatom particles are very small and sharp – but only harmful to the small exoskeletons of insects. Insects cannot become immune to its action, as it is a mechanical killer – not a chemical one. Because it is a light dust, diatomaceous earth easily clings to the bodies of insects as they crawl over it. The tiny diatom particles then cut into the waxy coating of insects and they dry out and die of dehydration within 48 hours.

Food-Grade Diatomaceous Earth is an all-natural product that is so safe it can be sprinkled around your vegetable patch, or rubbed right into your dog's fur.

What Insects Does It Control?

  • Fleas
  • Ants
  • Ticks
  • Silverfish
  • Cockroaches
  • Bed bugs
  • Carpet beetles
  • Spiders
  • Earwigs
  • Spider mites
  • House flies
  • Slugs and snails

For Indoor Use:

Lightly coat a thin layer in areas where insects are found or may hide, such as kitchen cupboards, behind and under appliances, baseboards or drain pipes. For carpets, lightly sprinkle the Insect Dust over the carpet, and leave for 2-3 days before vacuuming.

You can leave the dust in place until you no longer see any signs of insects in that area, at which point you can clean it up.


Thoroughly dust floor, carpets and bedding in and around pet's sleeping areas, as well as surrounding baseboards, cracks and crevices. Safe to use around your pets - it can be rubbed right into your dog's fur.


Take apart bed and dust joints and channels. Dust any hollow tubing and the interior framework as well as the mattress and all cracks in the room. Use a turkey baster or duster to apply clouds of the dust over the affected area. Leave the dust for a few days. It is still safe to sleep in your bed even while the dust is present.


Lightly dust in and around kitchen and bathroom plumbing, along baseboards and wherever else silverfish are found.

Carpet Beetles

Dust along baseboards, carpet edges, under carpet, furniture and inside closets.

For Outdoor Use:

Lightly coat a thin layer of diatomaceous earth on areas where insects are found, such as patios, door frames, foundations, sewer pipes and drains. Apply as a barrier around plants, trees and garden beds. For best results, reapply the Insect Dust after heavy rainfall.


Thoroughly dust areas where flies frequent, such as livestock pens and kennels. It can be applied to livestock coat as an insect repellent/contact insecticide. DE can also be added to the food of pets and livestock. The DE helps as a de-worming agent for livestock, and it ends up in their dung. Flies lay eggs on the dung which hatch into maggots, which are then killed by the DE. This is an effective method for fly control, especially on farms and homesteads, and in outdoor areas where animals are present.

Fire Ants

Sprinkle diatomaceous earth directly on the ant mound, or mix with water to saturate the mound. It can also be sprinkled along ant trails. The ants will track the DE back to their nests where the colony will be exposed to its abrasive action.

Slugs and other garden pests

Apply as a barrier around plants and garden beds. Reapply after rain. Any diatomaceous earth that washes into soil will continue to benefit your garden, since it acts like vermiculite in retaining water for future slow release. Our diatomaceous earth is OMRI listed for organic use.

Diatomaceous earth will not harm worms or any of the beneficial microorganisms in the soil.

Lice control for chickens

Lice are a common scourge around chickens and can lower their vitality resulting in fewer eggs and disease. Set a "dusting box" of DE in the corner of the coop and chickens will continually apply themselves with DE. This will reduce or eliminate lice within a few days.

To purchase a dispenser tube, click here


This Food-Grade Diatomaceous Earth is uncalcined amorphous silica, which comes from natural freshwater deposits in the USA. The freshwater naturally occurring diatomaceous earth deposits that are designated Food Grade by the FDA have less than 1% crystalline silica. These deposits are primarily amorphous silica which is harmless when ingested and is commonly used in feed and food industries. Insect Dust is certified organic by the Organic Materials Review Institute.

Insect Dust is registered as an insecticide with the EPA, so it is required to have a generic health warning on the bag, despite its safety.

Environmental Health Coalition refers to Diatomaceous Earth as one of the least toxic insect controls on their "Home Safe Home" fact sheet about safe household cleaners and indoor pest control.

Professor Stuart Hill at McGill University describes Diatomaceous Earth as non-toxic and feeling like talc when you touch it. He says that if you are going to apply large quantities, you should wear a face mask to avoid inhaling it. However, he mentions that inhaling common road dust is probably more harmful than inhaling Diatomaceous Earth.

Please note that food-grade diatomaceous earth should not be confused with "pool grade" diatomaceous earth. Diatomaceous earth used in pool or water filtration contains DE that has been chemically treated and heated making the silica crystalline which is a dangerous respiratory hazard and harmful to the health of humans and animals.

Read our article Diatomaceous Earth: Non-toxic Pest Control for Your Home and Garden to learn more.

100% Satisfaction Guarantee

We want you to be completely satisfied with every purchase you make. If you are in any way dissatisfied with a product you ordered, we'll exchange it, replace it or refund your money within 30 days of purchase. Simply email us the problem, and we'll take care of you. Certain products have extended warranties (up to 50 years!) that are listed on the particular product page. Please call us at 1-888-451-6752 if you need further clarification.

Additional Information

Weight 4.4 pounds
Coverage 1800 square feet
Key Feature Safe, non-toxic diatomaceous earth for crawling insect control
Origin Made in the U.S.A.

Shipping Information

Shipping Details:
Insured against damage or loss while in transit
This Product Ships To:
US Lower 48
Ships Via:
Fedex, UPS, or USPS

Questions about the Insect Dust Diatomaceous Earth - 4.4 lb

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  • From Kelli at 7/21/12 1:16 PM
    • Was wondering when I put this on my cats and they clean themselves, is this safe?? Also, my one cat is 13 years old and has sensitive skin, is this safe for him??
    • Yes. DE is safe to apply to the fur of your cat and harmless to the cat if he/she licks it.

      For the cat with sensitive skin, it is prudent to apply DE to a small spot on the cat to see if it irritates the skin in any way. If there is no irritation then gradually enlarge the application area and observe the cat for any possible reaction.
    • Do you find this question helpful?  Yes  No
  • From Ruth at 7/26/12 11:39 PM
    • We live in a very old building above a boiler room and are infested with brown recluse spiders. The main difficulty with killing theses spiders is that their bodies are high up off the ground so even the most potent insecticides are ineffective. Will DE work on these frightening pests?
    • Yes, the diatomaceous earth will effectively kill the spiders in your home. For best results, apply the diatomaceous earth anywhere that they regularly frequent. It can even be applied to walls using a large brush. As long as the spiders come into contact with the insect dust, it will succeed in killing them after a few days.
    • Do you find this question helpful?  Yes  No
  • From natalie at 8/1/12 4:32 AM
    • Can you put DE on your mattress for bed bugs or should you keep it on the floor near the walls and corners of your bed?
    • You could put DE on the mattress but it would be more practical to put it along the edges of the floor, corners and any cracks.
    • Do you find this question helpful?  Yes  No
  • From dan at 8/4/12 8:18 AM
    • will de help with pine bettles? if so how to i apply? thank you
    • Yes, DE will kill pine beetles. The key to application is to leave DE in areas where the insects will walk across it or come into physical contact. In mature trees this is difficult., especially if infestation has already begun. For seedlings, DE can be sprinkled around the base and dusted over the seedling for protection.
    • Do you find this question helpful?  Yes  No
  • From lacey at 8/10/12 3:03 PM
    • Hi i was reading this and it seems to sound like it works and im interested in trying it but is it safe for kids? I have a 14month old child and my two boxers are infested with fleas and so is the house and we hav tried everything nothing is working!! Can you clarify if its safe for kids thank you
    • Yes, the insect dust is food grade and so it is entirely safe to use around children.
    • Do you find this question helpful?  Yes  No
  • From Carol at 8/14/12 9:52 AM
    • I am interested in using this outdoors to prevent fleas and ticks from getting on my older dog who is currently suffering from dermatitis and wwho cannot be treated with the usual medications. I am also trying to prevent her from bringing fleas into the house.
      How effective is this product for outdoor use-and how often does it have to be re-applied?
    • The insect dust is very effective for outdoor use in the yard and garden. However, it is a dust, so it will have to be reapplied if there are strong winds or rain. You can also rub the product right into your dog's fur.
    • Do you find this question helpful?  Yes  No
  • From MARIA at 8/26/12 5:18 PM
    • It will not be noticeable.
    • Do you find this question helpful?  Yes  No
  • From Lisa at 9/5/12 7:56 AM
    • What precautions do I need to take when using this product inside the house. We have two small children and are battling fleas. Is it safe to sprinkle on the children's bedding?
    • The product is food grade so it is safe to use around the house, and to sprinkle right into your children's bedding. However, if either of your children are asthmatic you will want to avoid this, as stirred-up dust may irritate their lungs. Another alternative is the Stop Bugging Me spray, which kills fleas and flea eggs on contact:
    • Do you find this question helpful?  Yes  No
  • From Dee at 9/10/12 1:25 PM
    • My cat had 5 kittens that are now 7 weeks old and i tried to deflea mom before she gave birth by using dawn dish soap but I guess i didn't get all the eggs any way is this safe for the kittens as well
    • Yes, the insect dust is safe for kittens.
    • Do you find this question helpful?  Yes  No
  • From Erin at 9/18/12 4:19 AM
    • Good Morning,
      Is this a pesticide and registered with the EPA?
      Thank you.
    • Yes, the Insect Dust is registered as an insecticide with the EPA.
    • Do you find this question helpful?  Yes  No

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