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🐜 Outsmart ants with science — kill the colony, not just the scouts!
TERRO 1 oz Liquid Ant Killer uses a borax-based liquid bait that attracts worker ants to consume and carry it back to their colony, effectively eliminating the entire ant population over 1-2 weeks. Designed for indoor use, it offers a discreet, odorless, and easy-to-apply solution that targets both visible ants and hidden nests, making it a trusted choice for lasting household ant control.





| ASIN | B000NCUW1M |
| Active Ingredients | Sodium Tetraborate Decahydrate (Borax) 5.40%; Other Ingredients 94.60% |
| Best Sellers Rank | #44,300 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #351 in Pest Control Baits & Lures |
| Brand | Terro |
| Brand Name | Terro |
| Customer Reviews | 4.6 out of 5 stars 7,642 Reviews |
| Global Trade Identification Number | 00070923001002 |
| Item Form | Liquid |
| Item Type Name | Outdoor |
| Item Weight | 2.1 ounces |
| Liquid Volume | 1 fluid ounces |
| Manufacturer | Woodstream Corporation |
| Model Number | T100-12 |
| Part Number | T200-12 |
| Target Species | Ant |
| UPC | 070923001002 |
| Unit Count | 1 Count |
| Warranty Description | Warranty |
S**O
Works!
🧪 My personal experience I used Terro Liquid Ant Killer when ants started showing up in my kitchen, and it honestly worked better than I expected. I placed a couple of the bait stations where I saw the trails, and within minutes the ants were swarming them. I was kind of grossed out at first, but within 2–3 days, the traffic slowed down—and by the end of the week, they were completely gone. ⸻ ✅ What I liked • Strong cleaning power: The borax formula attracts ants quickly and works by having them carry it back to the colony, which helps get rid of the whole problem, not just the ants you can see. • Fast results: It worked within a few days for my situation, and I didn’t need to constantly reapply. • Easy to set up: The pre-filled bait trays are super convenient—just snip the top and place them where ants travel. • No strong scent: It’s odorless and not irritating, which I appreciated since I used it indoors. ⸻ ⚠️ What to watch for • Leaks: The liquid can sometimes seep out and create sticky spots, so it’s best to place it on foil or a paper towel to protect surfaces. • Takes patience: You do need to let the ants gather around and take it back to their nest—it looks worse before it gets better. • Not ideal for huge infestations: I think it’s perfect for light to moderate ant issues, but larger infestations might need additional help. ⸻ 💸 Value & sustainability It’s super affordable and lasts a while. I also liked that it’s considered a less harsh chemical option compared to sprays, which makes it feel a bit safer to use around the home. ⸻ 🧾 Final verdict Terro Liquid Ant Killer is definitely something I’ll keep on hand. It’s easy to use, works effectively, and gives real results without a strong smell or mess—just be prepared to wait a couple of days while it does its thing. Great value and peace of mind in one little tray.
P**E
One of the Few Ant Killers That Actually Works
Living in Florida, ants seem to find their way inside no matter how careful we are, and after trying several different products, this is the one I continue to buy because it actually works. The key is being patient and letting the ants do what they're supposed to do. When you first put the liquid bait out, you'll probably see even more ants than before. Don't make the mistake of cleaning them up immediately. They're attracted to the bait, carry it back to the colony, and share it with the rest of the nest. Within a few days, I noticed the ant activity started dropping significantly, and before long they were completely gone. The bottle is easy to use, and you only need a few drops near the ant trail or entry point. A little goes a long way, so one bottle lasts through multiple treatments. If you're expecting instant results, this probably isn't the right product. It's designed to eliminate the colony rather than just kill the ants you can see, and that's exactly why it works so well. For anyone dealing with recurring household ant problems, I highly recommend giving this a try. It's become a staple in our home because it's consistently one of the most effective ant treatments I've found.
P**F
Great product
Great product for occasional ant invasions. Used this brand when need for years and years. Inexpensive and actually does what it says it does - unlike most products these days
J**N
Great ant bait. Used by professionals.
Pest control companies use this. I know because I have been a Pest Control Tech. I prefer the bottle to the traps. If the ants won't take the bait as is. mix with peanut butter or regular butter. No margarine. Put it out on cardboard for the easiest clean up, but hot water on a cloth or paper towel works to clean it up as well. I suggest to try finding ants on the side of your home and baiting there first. It will often pull them out. Bait inside only if you must. Do not disturb while they eat it, as it is a bait and getting it back to the nest is crucial. Be aware that large colonies can have hundreds of ants come to the bait. Again - DO NOT KILL THEM. Potted plants can be hiding places for indoor colonies, check them if you are seeing ants anywhere nearby. Clean up the bait once the ants have stopped coming to it or within two days. It gets hard and is more difficult to clean up. Reapply as necessary. Observe where the ants are going to or coming from and baiting near there. The ants that find it will spread the news quickly. You might take time to watch them. Ants are fascinating social creatures and it is interesting to watch their interactions with each other.
F**N
Messy but works
For $3 it's pretty good deal. It attracts the ants who either get stuck in the goop or take it with them and go die somewhere. Unfortunately it is very very messy and it dries like strong glue–there's a small piece of one of the package cutouts permanently stuck to my floor and I'm going to need to use Goof Off to take it off. It also needs to stay where it is for a long time, it takes a while to work. It is effective though. KEEP AWAY FROM PETS it is toxic and it will stick to their paws fur etc. I'd recommend making a tiny "cup" out of tinfoil (it will spill right off a flat piece of cardboard) and hiding it in a nook where the ants are and pets can't get to it.
Y**N
Very effective!
It works! One day my wife noticed a trail of tiny ants marching from under the baseboard near our patio door, along the edge of the dining room carpet, in single file, right up the wall in the kitchen into one of the kitchen cabinets. My wife had a couple of bottles of honey in there and they were loving it and moving in. We tried all the traditional home remedies, which all failed, and standing there day and night and playing Whack-a-Mole was out of the question. However, this stuffed worked. Within a day, the numbers were way down. Two days, only a few per hour were coming in. Within a week, only an occasional straggler. After that, only a rare ant here and there was left and they were totally gone from the house by 10 days. The manufacturer tells you to leave the traps out for at least a couple of weeks. They haven't returned so far. She's happy, I'm happy, and the ants aren't around anymore- I guess they're not happy. Just one last note: The stuff is not toxic to most pets, but could make them sick if ingested. It's only borax and honey for the most part. Keep the goo in places where Fido, Kitty, and the kids can't get to it.
K**L
Excellent Product
The best sweet ant killer on the market
A**N
Yummy food for pet ants
I have been using Terro for quite a number of years to feed what I now consider our pet ants. We have ants that will come into the house through some crack somewhere, and scatter about. That's when I put a few drops of Terro where they seem to be entering. Almost immediately they start feasting on the drops They circle around tightly, shoulder to shoulder, their little faces eagerly sucking up the liquid. They seem to love it. They keep coming back for more, constantly, for weeks, even months at a time. As long as we keep feeding them Terro, they don't stray from their feeding area; we don't find them cruising all over the place. It doesn't seem to kill them, however, because they never stop coming. The only ones that die seem to be the ones that get accidentally dripped on when we refresh their drops, being drowned or suffocated in the sticky syrup. I understand the theory behind how it is supposed to work, but if it actually works, at some point they hive would die off and the ants would stop coming. They don't stop coming, which is why I have to keep buying them this yummy food. It's a reasonable balance, we keep feeding them in one or two spots, and they don't stray any further from those feeding stations.
D**N
Day 4 & so far zero ant
Simply wow. Worked perfectly in my home
V**)
Worked like magic!!
Honestly it worked like magic on ants. Just buy it if you want to get rid of it too. I was struggling for a long time in my flat but ants would shift holes and I was losing hope. Since I have used this product the ants aren’t seen again and it’s been close to 3-4 months now.
ع**ن
فعال جدًا لكن يحتاج وقت
كنت أشتكي من النمل ( القارص ) ، رغم إني في شقة في سطح منزل إلا أن النمل القارص منتشر في مكان. أحضرت شركة لرش المبيدات - ٣ مرات خلال ٣ شهور - بدون فائدة . شفت المنتج وقلت بجربه ، وضعته في الأماكن التي يخرج منها داخل الشقة وفي السطح، ونسيته لإني كنت يائس. بعد مدة لاحظت أكثر مكان يتواجد فيه دورة المياة خالية تمامًا من النمل، وبديت أبحث في الأماكن الثانية ولله الحمد اختفى اختفى نهائيًا.
H**N
Amazing product
I try to much products not working with this item Within one day all the ants were gone I suggest for all .
F**A
simply marvelous product
I am talking of this product that it works wonderfully ......kindly note if this works so weel then there is a danger angle to it pls keep out of reach of children and pets make sure they do not ingest it . This is a transparent gel. odorless so u will literally need to put it in the path of the ants .......in india it would feel that this is expensive product but for the issue of red ants .......its wonderful .
Trustpilot
4 days ago
2 months ago