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🐜 Eliminate ants before they even know you’re onto them!
TERRO 1 oz Liquid Ant Killer uses a borax-based bait that attracts worker ants to consume and share with the colony, ensuring complete elimination of both visible ants and the hidden queen. Designed for indoor use, it’s easy to apply on included cardboard tiles and works fast to disrupt ant digestion, delivering colony-wide control within two weeks. Trusted by millions, TERRO is America’s leading liquid ant killer for effective, hassle-free pest control.





| Active Ingredients | Sodium Tetraborate Decahydrate (Borax) 5.40%; Other Ingredients 94.60% |
| Asin | B000NCUW1M |
| Best Sellers Rank | #37,855 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden) #325 in Pest Control Baits & Lures |
| Brand Name | Terro |
| Customer Reviews | 4.6 4.6 out of 5 stars (7,648) 4.6 out of 5 stars |
| 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 |
| Unit Count | 1 Count |
| Upc | 070923001002 |
| Warranty Description | Warranty |
User
Works!
🧪 My personal experienceI 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 & sustainabilityIt’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 verdictTerro 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.
User
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.
User
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 tothe 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.
User
Essential for Ant Problems
The key to this bait is the active ingredient (Borax) mixed with sweet bait. The ants are instantly attracted to the liquid. Initially, it looks like the invasion is worsening as dozens of ants swarm the bait stations, but this is the crucial step: the worker ants consume the liquid and carry it back to the colony, including the queen. Within 24-48 hours of placing the bait, the ant activity slowed dramatically, and within three days, the entire trail was gone. The whole colony was eliminated!For the price of a single pack, this product completely solved a pest problem that had been nagging me for weeks. It’s a targeted, effective, and efficient solution that costs far less than professional extermination services.
User
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.
User
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.
User
Works great but only as PART of the attack...
Based on some of these reviews and complaints, I don't think people understand that getting rid of any insect infestation is a multi-step and multi-repeat effort. The TERRO worked very well. But you can't just squirt some behind the stove and call it a day. You need to apply SEVERAL small drops in various locations. And they need to be changed or "refreshed" at least once or twice over the next few weeks. It wasn't until the second round (9 days after first) that I actually SAW ants gathered around the goop like a water hole. And remember, DON'T kill the ants you see. They need to carry the poison back to the colony to kill the rest. MOST of the ants in a colony do NOT go out scouting and pillaging. So let the few you see AFTER leaving out Trello alone.If you have ants or roaches, in large numbers, they are there because they are able to get regular food or water SOMEWHERE in your house. I think people might falsely believe that your house has to be "dirty" in order to attract bugs, but it doesn't necessarily, depending on where you live. You can have the cleanest house on the block, but if a kid drops a half eaten gummy candy under your fridge or stove, guess what? Additionally, just cleaning up crumbs does not suffice. Roaches can feed on greasy FINGERPRINTS! So yes, be careful of crumbs, but also wipe surfaces with SOME kind of degreaser/cleaner. Same for floors. And even inside cabinets. Beyond cutting out food sources, I aim to make my home as inhospitable to any pests as possible. How? They (ants, roaches, mice, small reptiles, spiders) almost ALL are drawn to dark, dank, dusty, humid corners and crevices where there is minimal human traffic. So once or twice a year I do a "deep" clean of all the kitchen cabinets. Pull everything out, vacuum, dust, spray...Clean, bright and fresh will help, at least in part, to keep them away. Terro does the rest.
User
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.
User
Day 4 & so far zero ant
Simply wow. Worked perfectly in my home
User
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.
User
Terro ant bait killer
Hundreds of tiny ants tried to invade my kitchen, randomly, one evening!Tiny ants had crawled under my sliding patio door, through the insect screen , then crawled up the wall and headed for my wall cupboards!Luckily, all my food is stored in air tight tubs.I sprayed disinfectant on them and stopped more gaining entry with door strips and ant powder, killing those that were in my cupboards with the spray.I put this on some small card (from the Terro ant bait pack I previously bought) and placed in my cupboards, in case any ants had been missed.No more trouble.I just top the cards up every few months as a precaution.I use the Terro ant bait stakes outside on the lawn perimeter.
User
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 .
User
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.
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