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🛡️ Defend your space naturally—because pests don’t stand a chance!
Harris Diatomaceous Earth Crawling Insect Killer is a 4lb natural powder that mechanically kills a broad spectrum of crawling insects without chemicals. It includes a precision powder duster for easy application and offers long-lasting protection indoors and outdoors. Trusted since 1928, it’s safe for families and pets when used as directed.









| ASIN | B082LRSCV8 |
| Active Ingredients | Silicon Dioxide |
| Best Sellers Rank | #13,848 in Health & Household ( See Top 100 in Health & Household ) #79 in Indoor Insect & Pest Control |
| Brand | HARRIS |
| Brand Name | HARRIS |
| Customer Reviews | 4.4 out of 5 stars 19,366 Reviews |
| Included Components | 4lbs bag of Diatomaceous Earth with Puffer Applicator Tips |
| Item Form | Powder |
| Item Weight | 4 pounds |
| Manufacturer | PF Harris |
| Model Number | DECRAWL-4P |
| Part Number | DECRAWL-4P |
| Target Species | Insects |
| UPC | 072725012279 |
| Unit Count | 64 Ounce |
G**M
It actually works. NO MORE ANTS!
With the scorching Oklahoma heat, I had ants coming inside my house in 3 different places- I first tried Terro gel from Walmart, but it gets hard after a few hours and it's useless. I ordered this and put it around the inside and outside of my doors, outside around our windows, and along the ground at the back of the house where the ant hills are- and now they're freaking GONE! No trace of the little suckers. This powder works until it gets wet which is awesome. I had to cut a larger hole in the nozzle to get it to spread like I needed, but that's no big deal.
C**N
No more millipedes!
No more millipedes in our house! I used this in our doorways and some windows and I haven’t had any millipedes since! We were averaging about 10 a day. This stuff is great and a good alternative from the chemical products!
S**H
Definitely recommend for putting in the drywall to reach into far places
Great! I had an infestation of springtails in my basement, if you don't know what they are they look like flies and jump high as well. But they don't bite humans and animals at all they survive on bacteria in water so any area with humidity they thrive in. I have a bathroom in the basement with no exhaust fan so they were breeding in the ceiling drywall. I puffed some of this in the crack between the air vent metal and drywall and along with damp rid bags and within a week they were pretty much all wiped out. I also really like that it's safe to have around animals. We get a lot of bugs in the basement so I also did in any cracks I could see that could possibly lead from the outside. It's been around 3 weeks and I have no complaints. You get alot for the price too way cheaper than bug sprays.
P**L
Works, but way overpriced.
Big bag. Comes with blower/duster thingy. Would be a 5 if they included a scoop for the powder. Refilling the puffer/blower/duster thingy is ALWAYS a mess. You can use a kitchen measuring cup, but come on, for the price, where's the dedicated cheap plastic scoop? The stuff seems to work well with cockroaches, but not so much with fleas, ticks, and bed bugs.
E**R
Killed all the bugs in my plants
Great stuff. Killed all the fruit flies in my indoor plants. Just be careful not to breathe any in if you’re using it in powder form.
A**L
Idk
Can’t tell if it works or not but I haven’t seen any bugs around the area I applied it to so seems good enough.
C**W
The effectiveness
Everything was great , but diatomaceous was not effective unfortunately
A**R
Messy but works
Messy, but works. It’s messy because of the dust but it seems to work well. I have seen no more creepy crawlers.
E**N
Not for bed bugs!
Just get your beds outside to the sun it doesn't work alone you need an actual bug repellent to be acompany it
C**D
Open only in secure space
Awful packaging. Sprinkler is DEEP INSIDE and it's IMPOSSIBLE to get it outside without pouring everything out. Otherwise risk spill and ton of dust around you. And zip-lock doesn't work at all.
Trustpilot
1 month ago
2 days ago