will this work for bed bugs?

Yes it will kill bedbugs but it takes time. The way this product works is you dust an area where they may be, around beds and walls and even electrical sockets. The bedbugs will walk through this and get it onto thier exoskeleton. This product will absorb water and dehydrate them. They will also bring their dust covered bodies back to the nests and get the dust on others. This is no quick fix! So it will take time and patience to get them. Best if used with a steam cleaner as this kills them instantly (should you find a nest). Steam all nooks and crannies, even things you might think is too small.

What percentage of crystalline silica does this product contain?

By Kathy Allen I’m going to step out on a limb here and throw some science at this group. I’ve been seeing a lot of confusion about Food Grade DE vs Bug Killing DE vs Swimming pool and industrial cleaners....here’s the truth, easily confirmed with chemistry. Amorphous silica and crystalline silica are chemically different minerals. Amorphous silica is in DE and natural bug killers. Crystalline silica is in pool/ industrial cleaners and can be toxic. It should not be eaten or inhaled. An example is oil....while olive oil and motor oil are in the same family known as oil, one will bathe your skin and joints in beautiful deliciousness, and one will make you sick (unless you are a car) Amorphous silica is safe and healthy to eat, breathe (although any dust can make you cough) roll around in, make a facial, put in the bathtub, brush your teeth with, have a spa day with, rub on your pets and put in smoothies. Crystalline silica can make you sick. Silica is an essential trace mineral no longer found in our diets due to poor soil conditions. Essential by definition means “must be obtained from food” Big Pharma helps perpetuate these myths cuz well...money. DE is cheap, can’t be patented, keeps peeps healthy and strong which cuts into profits. I’ll step off my soapbox now. 🤷🏻♀️🔬. I'm a recently retired college prof...my main content area is Human Nutrition and my biggest guilt trip is the dispensing of false/misleading info disguised as science to my students. Big Pharma is in bed with the FDA, USDA, and other government agencies and think tanks. The suppressing of information is real, folks.... Diatomaceous Earth is such an amazing, effective and inexpensive supplement I was literally stunned when I discovered it last year. Companies like Walgreens don't want us using it because the health and beauty benefits are so vast it would put them out of business. I've turned back the clock by a good 20 years using DE both externally and as a dietary supplement. Closest thing to a miracle I've ever seen and costs about 2 bucks a pound.

Has anyone use this on their pets for fleas? Thank you.

Yes, I use diatomaceous on my pets (cats, dogs) occasionally. If I'm treating my dogs and cats with a topical flea and tick treatments, I do not put the diatomaceous on them. I put diatomaceous earth on their beds and bedding. On carpet, wood flooring, bathroom and kitchen floors if needed, in and around the kitty liter box. Patio areas, garage floor, areas where they eat, on the dirt and lawn areas if I'm not going to be watering any time soon. Be careful when applying, take your time. Diatomaceous earth is very helpful.

This is ok around animals right?

My vet told me not to apply it on the cats because it gets into their lung through breathing. Diatomaceous Earth is siliceous sedimentary rock reduced to powder, as such is an abrasive, it kill insects that repeatedly walk on it buy sanding and slashing their exoskeletons. So if apply to animals can damage their lungs in the same manner. I used in my garage after Flea treatment, but I vacuumed thoroughly before letting my pets inside the premises. I also use it in flower beds but don't let cat in the area till after the rain disperse the powder.

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Reviews

D**P

Flea killer

I purchased this diatomaceous earth after my brother came to see me complete with his fleas! He has 5 cats and a flea problem, he never mentioned this until I felt something jump on my scalp. After I had finished swearing I knew I had to find something to kill the problem, I live alone so it left me as the only host for the little blood suckers to feed on. The DE (diatomaceous earth) comes complete with a powder duster that works great, you really can get it into every nook and cranny. After dusting every room & then gently using a soft bristled yard brush to work it into the carpet I left it down for 2 weeks. I then used my bagged vacuum cleaner (you have to use a bagged vacuum cleaner as a bagless will have it's motor blown sucking up the powder) to suck it all up around my home. I'm very happy to say this DE works a treat and i'm 100% flea free. Great product.

6.03.2020

M**S

Good quality

Brilliant stuff highly recommended

6.05.2025

H**A

اخذته للنبات الداخلي احطه فوق التربه ارشه عشان الحشرات تموت

22.07.2025

M**Z

after fighting these night time vampires for over 2 years with " professionals " this is the only product that actually works.

26.09.2022

J**L

Très bon produit

13.01.2026

C**4

I use Harris brand DE(Food Grade only!) for SO many needs! Its my #1 Bug killer & deterant(esp in conjunction with the use of Peppermint spray(Mighty Mint)! (Btw, in a pinch, I also use soapy spray water on bugs; dried soapspray will suffocate bugs). DE is a Great dewormer(for pets&humans alike); being Non-toxic, you can progressively sprinkle a tsp-Tblspn of DE onto food, or mix in water/juice(benefits the health of our outdoor, ferral cats too). Just be careful to avoid heavy use near eyes&lungs, and DE can clog/damage vacuum filters too(water wipe up is best). Use in the Garden against pests. The duster tool works very well, but there is a learning knack to have it dust vs heavy sprinkles. Inexpensive and highly effective. Can't recommend enough!!

5.01.2026

S**A

I love it. I sprinkle it around to send ants and spiders on their way. Nice to have a non toxic solution

14.12.2025

ASIN	B072J8Z28F
Assembly Required	No
Batteries Required?	No
Batteries included?	No
Best Sellers Rank	80,605 in Grocery ( See Top 100 in Grocery ) 585 in Feather Dusters
Colour	Orinal Vesion
Customer Reviews	4.6 4.6 out of 5 stars (32,856)
Date First Available	23 May 2017
Global Trade Identification Number	00072725004083
Hazard safety signal word	Caution
Item model number	DE-FG4P
Manufacturer	Harris
Material Type(s)	Plastic
Product Dimensions	30.48 x 22.86 x 15.24 cm; 1.91 kg
UPC	072725004083

Harris Diatomaceous Earth Food Grade, 4lb w/Free Powder Duster

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