not as strong as i imagined
By Lilly on 08/24/2011
Verified Purchase
not that effective
By Maggie on 03/12/2012
Verified Purchase
I read very good reviews of this, and I have a problem of roaches in my apartment. So I decided to give it a try.It turns out that this can kill the adult roaches, but for young, small roaches, it is useless. There are still a lot of the young roaches crawling around!!! A little disappointed.
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7 of 9 people found this review helpful
Better than what you get at the local home stores
By Bugnuts on 11/01/2010
I hate bugs, I will buy anything that kills them. This year we had stink bugs all over our house trying to get inside. After trying everything from the home centers I found this online. This does not cause an instant death like I would prefer, however if you enjoy watching bugs twitch and suffer for days on their backs then it's for you. I can't stand bugs but I don't want them to suffer like that. I will say that it is the only product that works that I have found, aside from a blow torch.
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5 of 7 people found this review helpful
Seems to work okay, BUT
By L. on 02/23/2016
It was very easy to prepare, and it's only been two weeks since we sprayed so can't say how effective it is yet. However, we have hardwood floors and this stuff spots everywhere it hits the floor. We had to go back and dry mop the entire floor after it dryed. It comes up easily enough, but that's really not what I wanted to do.
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5 of 5 people found this review helpful
Carpenter bees
By Wayne on 05/05/2010
Used the product to stop carpenter bees from boring holes in the log siding and facia board of my cabin. I found the product to work, but the problem was the bees would fly around until they found a small place you missed about the size of a quarter and bore a hole. When you're doing a whole house with a pump sprayer it is very difficult to cover every square inch. So my recommendation would be to use something else to put the product on with but this would be very timely.
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3 of 3 people found this review helpful
Demon WP
By Adrian on 09/11/2012
Demon WP
By Mouse on 09/19/2016
We sprayed this in a two stall detached garage a couple weeks ago knowing we would be cleaning it out soon because upon cleaning at one point, I saw a spider I thought might be a brown recluse and I wasn't about to go any further if they were in there. Keep in mind, the garage is about half full of "stuff" (junk, etc.) collected over the years. My fiancé sprayed well both stalls and in the loft. We followed the directions each time (went through 3 packets/containers of spray). Two were used inside the structure and one was used outside the structure around the perimeter. One big barn spider was in a web near our deck and he sprayed him and we never saw him again, so I'm assuming it took care of him. The next day upon opening the doors on my stall I saw numerous dead "regular" spiders and some crickets laying belly up. This last weekend we did a big clean out of one of the stalls for clean up days and swept up the floor. I saw several tiny spiders walking on the floor but no big deal. Then when my fiancé was gone to dump the junk, I was sweeping up a little and a big spider ran out from under a piece of newspaper. I think it was an orb weaver spider. Scared me to death!!! I hacked him with a hoe because I'm not getting my foot that close to a big spider. What if he ran up my leg or something?! I'd just die right there (LOL). So, I'm assuming if you have lots of hiding places for spiders to be, it may not get them all if you can't get the spray in everywhere, even though it says it kills for months after when they walk over it or whatever. Overall, I'd say it works. Next is the other stall to clean out and the loft, then I'll have my fiancé spray again. Still praying there are no brown recluse in there. I definitely have arachnophobia!!!!
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2 of 2 people found this review helpful
Works great on everything else but ants
By William on 07/04/2016
Works Well
By Jc on 10/20/2015
I used Demin WP in a cockroach-infested rental. The place was literally crawling with roaches so bad I had nightmares about it. I sprayed Demin WP three times and it killed them all. It's been 3 years and they are still gone. However, there were also bedbugs in the unit which have subsided but some are still there. Also used Demin WP in another roach rental. These roaches were prevously exposed to Demin WP and it did not kill them off. Maybe they build up a tolerance to it.
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2 of 2 people found this review helpful
Demon
By Glenn on 08/19/2015
Not working for me
By Lynda on 10/05/2018
I have purchased this in the past and had great results, However this time I bought it along with the Gentrol IGR Concentrate for the small Florida roaches, So far I am not getting much of any results, Not finding dead roaches like I should and they are not dissipating,
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2 of 2 people found this review helpful
Demon WP vs Ants
By Dillon on 08/21/2019
Demon WP worked well against the larger insects around my home, especially Earwigs! However, it did not prevent ants or flies at all. I was able to kill some ants by spraying them directly, but when used as a perimeter preventive treatment I had was disappointed with ant/fly control from this Demon WP product.
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2 of 2 people found this review helpful
Demon WP Insectcide
By Neil on 09/18/2012
Verified Purchase
Seemed to work well. I had put bait out also so somewhat hard to tell which is working better. The rental apartment that I own, after I evicted the tenants, was just overrun with roaches. They are mostly gone now after almost 3 weeks.
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2 of 2 people found this review helpful
So-So
By Sheila on 01/04/2012
Verified Purchase
Great name but......
By Phyllis on 03/24/2019
I was expecting more...and was hoping for in one of these products for fleas. This one seemed to cause the fleas to get worse and become more present and active. So on to the next new flea product need help in Temple Hills Md
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1 of 2 people found this review helpful
Requires greater insecticide concentration
By Jim on 07/25/2020
Annoying Survey why a title.
By Steve on 08/28/2017
Demon WP Insecticide
By Antoinette on 09/04/2020
Miss the tub
By Michael on 06/14/2017
I love the effectiveness of Demon against scorpions here in Arizona. I also continue to purchase the product since it has a long lasting residual and holds up well agaist the blazing summer sun in Phoenix. However, a source of aggravation is the packaging in the supposed "disolvable" bags they say you can just drop into your spray equipment. Well, I find they don't fully disolve and end up clogging up my sprayers. They have ruined several spray heads. That being said, I now cut open the little bags and dump the powder in my spray equipment so I don't have issues. Why did they get rid of the tubs of powder? It seems to have made things more difficult in order for me to use a product I know that works better than most others for my needs. I am quite annoyed by this and it has been quite a hassel when it comes time for me to perform pest control.treatments.
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1 of 1 people found this review helpful
Seems OK
By Russell on 08/12/2016
re-use Demon WP Insecticide
By Anonymous on 07/10/2013
Verified Purchase
the first time I used Demon WP was excellent.I had several packs left and referred my friends and family to this product.It did not work as well when the roaches came back. I used a different product and the roaches doubled.It was because this was for termites.i still use Demon WP,but more concentrated.
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1 of 1 people found this review helpful
scorpions
By Cj on 04/26/2013
we move into this house and did not know it was already rented out and pack with scorpions I mean day and night you would see them in the house in the tolit..one time brushing teeth and 1 came out sink.night hunting 15 a night in my yard...started with cy-kick 2 times what it said..that got them incontrol next year went with Onslaught so the immune system would not get use to one...and that stuff works like a champ also 3 yr i went to demon its a 3 to 4 star i think i am staying with the first 2 and alternate them... now i have not seen any inside and 2 last summer outside and 2 this summer... spray your brick wall cracks and the border around everything outside and 2ft up trees
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1 of 1 people found this review helpful
decent product
By Sherrie on 04/21/2013
Verified Purchase
The product worked well but only lasted about 3 days I pulled my kitchen apart and sprayed liberally. I had quite a few dead ones but after three days they started coming out again I continue to battle with them. At least they don't laugh and do a jig when I use this spray.
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1 of 1 people found this review helpful
Demon WP
By California on 11/24/2011
Verified Purchase
Yes I am seeing dead adult roaches & less activity...For that I give it a 4 stars, however I am still seeing small roaches around my electronics and adult roaches in morning around the cat food. For that I give it 1 star. Next I'll try bait in some areas and Demon WP.
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1 of 4 people found this review helpful
Demon WP and Sprayer
By Henry on 09/11/2010
The product seems to be working. I applied it to the house perimeter. But the sprayer had a defect. From first use it broke. I called the support line, and they said its a known defect and they have the replacement part to fix it. So they mailed it to me and now the sprayer seems to be working as expected. Hope it lasts.
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1 of 2 people found this review helpful
