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

🕷️Kills 7+ insect types

€ 31.92

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Description

🛡️ Natural pest control that means business—because your space deserves the best defense!

PURE PET SAFE - Crafted from 100% freshwater diatomaceous earth—eco-friendly and safe around kids and pets.
LONG LASTING DEFENSE - Stays active as long as dry—perfect for indoor and outdoor barrier protection.
TARGETED APPLICATION - Built-in puffer tip ensures precise, mess-free dusting in cracks and tight spaces.
MECHANICAL KILL POWER - Dehydrates insects on contact without harmful chemicals—no resistance, just results.
MULTI INSECT ASSASSIN - Effectively eliminates ants, roaches, bed bugs, fleas & more for a pest-free zone.

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 on contact. Safe for use indoors and outdoors, it features a precision puffer tip for targeted application and offers long-lasting protection without harmful chemicals, making it ideal for eco-conscious households seeking effective pest control.

Specifications

ASIN	B084CVXYCJ
ASIN	B084CVXYCJ
Active Ingredients	Diatomaceous Earth
Best Sellers Rank	#356 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 (19,247)
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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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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€ 31.92

Duties & taxes included

In stock

Sold byAmazon SlovakiaDelivered 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 Slovakia.

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