people's choice

The Best Ant Killers on Amazon, According to Hyperenthusiastic Reviewers

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Here at the Strategist, we like to think of ourselves as crazy (in the good way) about the stuff we buy, but as much as we’d like to, we can’t try everything. Which is why we have People’s Choice, in which we find the best-reviewed products and single out the most convincing. We’ve written about the best natural weed killer and pest controllers, string trimmers, lawn mowers, garden hoses, and compost tumblers, but here we’re zeroing in on the best ant baits and killers, as reviewed on Amazon. (Note that reviews have been edited for length and clarity.)

Best liquid ant baits

Terro Liquid Ant Baits
$5 at Amazon

“I was sick of ants coming into my house and finding my crumbs. I deployed the Terro liquid ant baits on a Saturday night. By Sunday, a steady trail of ants were coming and going from the ant trap. Clearly, word got out and the ants were excited to get everything back to their homes. I watched as they worked tirelessly to deliver sweet poison to their family back home. I watched and realized how many ants would die. Every time I glanced at the ants marching to and fro from the trap, I thought of how doomed their food-scavenging mission was. I thought of their masses dying slow deaths — their old and their young alike. Yes, I was the evil super villain that was destined to eradicate their entire colony. By Tuesday, there were no more ants. With the snap of the top of a Terro ant-bait unit, I eradicated countless ant lives.”

Maxforce Quantum Ant Control Liquid Bait
$29 at Amazon

“My son who works for a major pest company recommended this to me. I can put a drop or two where I see ants and within a few hours they magically disappear. To say this is great is a very big understatement. I live in a vintage camper in Texas, and the fire ants had gotten inside my wall. I couldn’t sit on the couch at night without being bit several times. And worse, I’d pull back my blankets and they’d be on my bed sheets. It only took a day or two to make them disappear, and each time any new ones came in through the door, a drop or two quickly changed their minds. And because you use so little, this toothpaste-size tube will last a long time. Well worth the money!!!”

Optigard Ant Gel Bait
$28 at Amazon

“Works immediately. This product is amazing. Each year I always get a flood of no-see’um ants in my house in my yard. Everywhere. It’s so annoying. I spent over $3,000 last year on pest control. My pest-control guy used this same product, and I was so happy to find it. Put little dots where you see the ants, and they will be gone in a few hours, for good. (Depending on how heavy an ant problem you have will depend on how much you need, and how long it takes for them to disappear.) I also had the ants infesting my raised bed garden and potted plants, so I just put a dot on each corner of my garden and on the bottom of my potted plants, and the ants are gone. I can’t recommend this product enough.”

Terro Outdoor Liquid Ant Killer Bait Stakes
$7 at Amazon

“This stuff is pretty magical. We have a severe ant problem all around our property in SoCal. We do have the exterminator come out and spray everything periodically, but if an ant nest should happen to pop up unexpectedly, we keep these garden stakes on hand to immediately eliminate the problem. They’re super easy to place, especially if you can find the source of the ants. We have found that they love this stuff, so we’ll generally put another one or two along the same trail so that they have plenty to eat. You will see more ants before they die off, so don’t be alarmed if you suddenly feel like it made the problem worse. Give it a day or two, and they will have taken this lovely poison back to their nest and fed it to all the troops. We have the Terro traps for inside the house, too, but focus on the yard so that we can keep them from even coming into the house at all!”

Combat Max Ant Killing Gel
$11 at Amazon

“Hands down the best ant poison on the market, and I’ve tried them all. I also really like the syringe delivery method for this gel. It’s a thick enough consistency that you can put it where you need it and it does not drip, run, or make a mess. Inside the house, I will usually just put it on a small piece of tin foil. But outside, I will inject it in cracks, along the foundation, etc., wherever I see the little buggers. I never want to be without this stuff. About twice a year, I have to battle ants when they decide to come indoors, and with this stuff in my bag of tricks, I tell the ants to drink up and enjoy the ‘treat.’”

Best granular ant bait

Amdro Ant Block Home Perimeter Ant Bait Granules
$9 at Amazon

“We were suffering from an absolute ant invasion upon moving to a new rental property. I’d never seen anything like it! I was at a total loss. Amdro was highly recommended. I probably put down way more than recommended, but was desperate, and taking no chances. This is ant crack, no lie. In less than an hour, every scrap of ant bait was carried off. I assumed it might take several days, even a week, and was prepared to be patient for this to work. One day, that was it. They never came back. That was almost a month ago. I will always have Amdro on hand, and won’t bother with anything else in the future. It’s not inexpensive, but it works … immediately … the first time. Why bother with anything else, seriously?!?”

Advance 375a Select Granular Ant Bait
$15 at Amazon

“Worked great when the sugar-based bait gels did not. I’ve used this at my house for outdoor ant issues, and it worked like a charm — just don’t leave it out in the sun, as it will discolor, and the ants won’t take it. Also used this in two different houses of friends for super-tiny ants. Actually had to break it up by crushing it in a Ziploc bag for these little mini-ants, but they went nuts for it … and then disappeared. This stuff works wonders.”

Best ant-killer spray

EcoRaider Ant & Crawling Insect Killer
$16 at Amazon

“I don’t know how such an ecofriendly insecticide can work so well, but it does. I had an ant problem that I attempted to fix using several very toxic products. Nothing worked. Then I sprayed this EcoRaider inside the basement along the rim joists. Within two days, no ants! I couldn’t believe how effective it was, so I tried it again in another section of the house that was also having the same tiny-ant problem that wouldn’t succumb to other sprays and ant-bait poisons. Again, complete eradication of the pests within a few days.”

Raid Ant & Roach Killer Spray
$15 for 2 at Amazon

“I love this bug spray. It works for way more than ants and roaches, and not only on contact but helps keep them away. I live in Southern California, so ants are very common, and as soon as I see a sign of any of them, I spray outside of the doorways into the house, and we never see an ant again for at least a year.”

Best fire ant killers

Ortho Orthene Fire Ant Killer
$17 for 2 at Amazon

“This product is amazing. I had numerous fire-ant mounds on my desert sage acreage, and nothing I could buy across the counter advertised as an ant killer had any noticeable effect on the fire ants other than really upsetting them. I subsequently noticed that none of the available products listed fire ants in the fine print. I read the reviews for this product on Amazon and decided to give it a try. I followed the directions, which essentially just said sprinkle a tablespoon on the mound, preferably during the day when the mound was active. I sprinkled it on two large mounds that look like mini-volcanoes, and when I checked 24 hours later, there was absolutely no activity. It’s been two months now since the application of the Ortho product and no sign of any fire ants at or around the mounds.”

Bayer BioAdvanced Fire Ant Killer Dust
$21 at Amazon

“We were being overrun with fire ants, sugar ants, and the much larger red ants, and I lost count of how many jugs of Amdro I purchased to kill off or at least reduce the amount of ants we had. Then I tried different brands of various granular-based ant killers, and they did nothing to kill any ants. I purchased three jugs of Bayer Advanced ant killer and my ant problems were solved overnight. This stuff is a white powder, and although the instructions advise sprinkling a little water on the powder after it is applied to a mound (which I did), I also simply applied it to concrete floors in a couple of outbuildings we have on our ranch. I then used a broom to move the powder around by gently sweeping it across the concrete (and on our front and rear porch), and the next day, no more ants, and the added benefit, many hundreds of dead ‘pill bugs,’ as we call them here.”

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The Best Ant Killers on Amazon, According to Reviewers