Does it work for carpet beetles?

Yes, however it has not worked on carpet beetle larvae. I actually put several larvae in an empty pill bottle with about 1/4" DE covering the bottom. A week later they were all still alive. I wouldn't recommend buying this and expecting good results if you have evidence of carpet beetles and their larvae throughout your home.

Description says 100% Diatomaceous Earth, bottle states 85% active ingredient, 15% other ingredients. What are other ingredients?

I reached out to the company regarding this and this is what they said, "Any product claiming to kill insects must be registered with the EPA and the EPA requires the ingredients for the Crawling Insect Killer (diatomaceous earth) to show 15% “other” to represent moisture and trace elements as it is a product mined from the earth and it cannot say Food Grade and also say that it kills insects. There are no additives or fillers. Harris Food Grade Diatomaceous Earth cannot be registered with the EPA and claim it kills insects; the label can say 100% diatomaceous earth. The ingredients are identical. The difference is the packaging and labeling."

How to apply it in a bedroom and on a bed?

Do not apply where you are likely to inhale it directly. Let any clouds dissipated. While not toxic, any fine powder in your lungs can do harm.

Does this kill millipedes?

It says it does, I don't have those so I can't swear to it. Good luck.

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Harris 8 oz Diatomaceous Earth Crawling Insect Killer — 100% Natural Dust for Ants, Roaches, Bed Bugs, Fleas — Indoor & Outdoor Use

Product ID: 184702290

Details

Active Ingredients
Diatomaceous
Brand
HARRIS
Item Form
Powder
Item Weight
10.24 ounces
Liquid Volume
227.3 ml

🌿100% natural, chemical-free

🎯Precision puffer tip for targeted use

🦗Kills 7+ crawling insect types

EC$73

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Description

🛡️ Natural power meets precision—defend your space like a pro!

TRUSTED SINCE 1928 - Nearly a century of proven pest control expertise trusted by professionals and homeowners alike.
LONG LASTING DEFENSE - Stays effective indoors and outdoors as long as it stays dry—create a lasting pest barrier.
MULTI INSECT ASSASSIN - Eradicates ants, roaches, bed bugs, fleas & more with mechanical action—no chemicals needed.
PRECISION APPLICATION - Built-in puffer tip delivers dust exactly where insects hide—no mess, no waste, maximum impact.
ECO SAFE FAMILY FRIENDLY - Pure diatomaceous earth formula keeps your home safe for kids and pets while crushing pests.

Harris 8 oz Diatomaceous Earth Crawling Insect Killer is a 100% natural, EPA-registered powder that mechanically kills a broad spectrum of crawling insects by dehydrating them. Safe for indoor and outdoor use, it features a precision puffer tip for targeted application and offers long-lasting protection without harmful chemicals, trusted by households and professionals since 1928.

Specifications

ASIN	B084CVXYCJ
ASIN	B084CVXYCJ
Active Ingredients	Diatomaceous Earth
Best Sellers Rank	#376 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #28 in Insect & Pest Repellent Sprays
Brand Name	HARRIS
Customer Reviews	4.4 4.4 out of 5 stars (19,356)
Date First Available	January 31, 2020
Item Form	Powder
Item Weight	10.24 ounces
Liquid Volume	227.3 ml
Manufacturer	Harris
Manufacturer	Harris
Part Number	DECRAWL-8
Product Dimensions	9.8 x 3.19 x 3.07 inches; 10.24 ounces
Specification Met	EPA
Target Species	Insects
UPC	072725006360
Unit Count	8 Ounce

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EC$73

Duties & taxes included

In stock

Sold byAmazon Saint Vincent and the GrenadinesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Saint Vincent and the Grenadines.

Secure transaction

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Harris 8 oz Diatomaceous Earth Crawling Insect Killer — 100% Natural Dust for Ants, Roaches, Bed Bugs, Fleas — Indoor & Outdoor Use

Details

Details

Description

Specifications

Common Questions

Harris 8 oz Diatomaceous Earth Crawling Insect Killer — 100% Natural Dust for Ants, Roaches, Bed Bugs, Fleas — Indoor & Outdoor Use