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Ortho Home Defense Insect Killer is a powerful 1-gallon spray designed for indoor and perimeter use, providing up to 12 months of protection against a wide range of common household pests including ants, roaches, spiders, and more. Its easy-to-use trigger sprayer ensures precise application around kitchens, bathrooms, doors, windows, and outdoor areas, making it an essential, long-lasting solution for maintaining a pest-free environment.






| Target Species | Insects |
| Item Form | Spray |
| Liquid Volume | 1 Gallons |
M**U
Solid Product
Very effective in killing ants and cockroaches, I applied before going out for summer break and when I came back the house was just like how I left it. It doesn't smell and and is safe if you let it sit for around 15 minutes that it is safe to go outside. I would recommend applying it to the outside edges and corners for the most effectivness.
N**L
Great for spiders
Great for spiders in garage and around doors and windows especially during hatching season
A**A
IT WORKS! GAVE THS SECRET FROM MY MOM N ITS ONE ILL KEEP FORVER
One thing I remember my mom using as a kid was ths every year 2 or 3x a yr she was out w her jug and sprayer I was a kid didnt get it now im an adult I grasp it and the one thing my mom cld have gave me was the knowledge of ths product im glad for it lol it's a must where ever I live 2 or 3x a yr whether we got bugs or not ik it works ik how good it is and ik it'll forver be a staple at my home as long as the formula stays the same we will cont being customers thank u ortho for a great product tht does what it says! Yes we even use it outside!
K**E
Promising Start with Ortho Home Defense Insect Killer
I recently purchased the Ortho Home Defense Insect Killer and have been using it for a short while. While it's still too early to make a definitive judgment, I'm already seeing promising results that warrant a positive review.The trigger sprayer that comes with the product is convenient and easy to use. It provides a consistent spray, ensuring even coverage across the surfaces I'm targeting. The non-staining and odor-free formula is a big plus, as I can apply it without worrying about leaving marks or unpleasant smells around my home.In terms of effectiveness, I've noticed a decrease in the insect activity around my home. While I can't say for certain that all the targeted pests are completely gone, the reduction in sightings of ants, cockroaches, and spiders is a positive sign. Fleas and ticks have also become less of an issue for my pets, which is a relief.The long-lasting control claim is something I'm looking forward to witnessing over time. If the product continues to deliver on this front, it will definitely solidify my positive impression.The 1-gallon size is generous and should last for a good amount of time, even with repeated applications. This makes the product a cost-effective solution for indoor and perimeter insect control.While it's too early to provide a final verdict, I'm optimistic about the Ortho Home Defense Insect Killer. If the positive trends I'm seeing continue, I'll certainly consider upgrading this review to a full 5 stars in the future.
C**H
Not a good fire ant killer
Best on the market, however does not work well on fire ant hills
D**A
Works great for palmetto bugs
When I moved in to a new rental house, I was thrilled! Until I met the palmetto bugs of south carolina. They're big, spooky, and were everywhere outside. I had to get rid of them. I had little sticky traps before and I was changing the traps every few days just from how many of these there were.I began spraying this on my screen porch and immediately sprayed one of the palmettos, and in 10 seconds it flopped on its back dead. So far so good. I started establishing a perimeter around my porch and then slowly expanding the perimeter as I moved outwards. After about 30 minutes of spraying I wasnt even close to being through the bottle but I was satisfied with my coverage. I let it dry for an hour and I was literally amazed. 4 dead palmettos already. And I wasnt terrified of going outside on the porch to just enjoy the outdoors in fear of a giant skittering creature. I then moved to the front door and began spraying there as well, putting down a good perimeter again. I noticed there were no more spiders after a day as well.I've only seen one palmetto since which I chased down with the spray and reinforced my perimeter again about a week after initial application. It most definitely worksFor me, its worked on stinkbugs, palmetto bugs, ants and spiders. I'm no amazing pest controller and I know there have been some holes in my perimeter but I've just sprayed a little more when I find somewhere I've missed and this stuff has been great!I do need to start in on the source of these palmettos which is the space under my porch (I suspect) and potentially the crawl space under the house which I have no access to. But I can get under the porch with a longer sprayer and I'm confident that by the end of spring, I'll be palmetto free!
J**I
Not the best
It keeps bugs away for a few hours but that’s it.
M**M
One of the best insect sprays ever
When my siblings and I started getting our own places, and was having issues with spiders, ants and maybe other creepy crawlers, our Dad told us get Ortho Home Defense.He suggested we spray the inside parameters of the dwelling, window wells and nooks and crannies at least twice a year (Spring and Fall).There is no odor, safe for pets and does the jobNow when the younger generation (and others) complain about insects, I tell them what my Dad told us, 'get some Ortho Home Defense'
TrustPilot
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