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Insect Dust Diatomaceous Earth - 4.4 lb

Item #: 50020-7

Our price: $16.95

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

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Lead time: 1-2 Business Days

Our Price: $16.95


Use Insect Dust to eliminate crawling insects around your home. 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. 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. Insects cannot become immune to its action, as it is a mechanical killer – not a chemical one.

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

What insects does it control?

  • Fleas
  • Ants
  • Ticks
  • Cockroaches
  • Bed bugs
  • Silverfish
  • Beetles
  • Earwigs
  • Grasshoppers
  • Spiders
  • Aphids
  • Spider mites
  • House flies
  • Tomato hornworm
  • Slugs

Indoor Use:

Lightly coat a thin layer in areas where insects are found or may hide. For example: 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.

Leave the insect 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 to do its job for a few days. It is still safe to sleep in your bed even while the dust is present.


Lightly dust under the sink, inside drawers, along baseboards, and wherever else silverfish are found.

Carpet Beetles

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

Outdoor Use:

Lightly coat a thin layer of diatomaceous earth on areas where insects are found such as patios, window sills, door frames, foundations, sewer pipes and drains. Apply as a barrier around plants, trees and garden beds. Diatomaceous earth is most effective when kept dry. For best results, reapply after heavy rainfall.

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. Insect Dust is OMRI listed for use in organic agriculture.

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.


Insect Dust Diatomaceous Earth comes from a naturally occurring freshwater deposit in the USA. Our diatomaceous earth is uncalcined amorphous silica, which is harmless when ingested and commonly used in animal feed.

Insect Dust Diatomaceous Earth is certified for organic use by the Organic Materials Review Institute (OMRI).

The FDA lists Diatomaceous Earth as "Generally Recognized as Safe".

Environmental Health Coalition refers to Diatomaceous Earth as one of the least toxic insecticides for household pest control.

Note: Food grade diatomaceous earth should not be confused with "Pool Grade" diatomaceous earth, which is treated with heat, causing the formerly amorphous silicon dioxide to assume crystalline form. Do not use pool-grade diatomaceous earth for pest control.

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. EPA-registered. OMRI Certified Organic.
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 & Canada
Ships Via:
Fedex or UPS

Questions about the Insect Dust Diatomaceous Earth - 4.4 lb

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  • 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 MARIA at 8/26/12 5:18 PM
    • It will not be noticeable.
    • 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 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 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 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 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 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 August at 7/20/12 7:56 PM
    • Can I put DE on myself?
    • You can put DE on yourself in terms of safety, but it would not be particularly effective in deterring insect pests. The DE takes time to be effective, since it kills the insect by scoring the carapace which dehydrates the insect. For personal protection, you would do better with Herbal Armor or similar insect repellents.

      DE is not a repellent. It is a nontoxic form of insecticide which is most effective over time. We leave DE in small piles about the house in areas where it is not visible. This keeps the insect population down and in some cases eliminates the insect population entirely.
    • Do you find this question helpful?  Yes  No
  • From Cathy at 7/20/12 1:27 PM
    • Part 1-Will this product hurt my carpets?
      Part 2- It is hard to keep completly away from vents in most rooms as they do blow across the area. I have tried to work it in and under rugs as best as I can but will it still be blown in to the air?
    • Diatomaceous Earth is a dust, and should not harm your carpets any more than other dust that could be brought into your house from outside. As for the vents, you mainly want to avoid placing the dust directly around the vents so that a large amount of the dust is blown into the air. You should still be able to operate air conditioning or run fans in your house while the dust is spread out, especially if you have worked it into your rugs or placed it underneath them.
    • Do you find this question helpful?  Yes  No

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