TERRO® Liquid Ant Killer

Model #: T100-12

61 reviews
0 5 4.6
Havahart
3.99
$3.99

  • Attracts and kills all common household ants
  • Kills the ants you see and the ants you don’t
  • Worker ants deliver a lethal dose to the rest of the colony
  • Apply product to cardboard tiles and place where ants are seen
  • The more bait placements the better your results will be
  • Use along baseboards, under cabinets and near entry points
Description
Best used for:
On Floors
On Floors
Along Baseboards
Along Baseboards
Under Cabinets
Under Cabinets
On Countertops
On Countertops
Near Entry Points
Near Entry Points
TERRO® Liquid Ant Killer

When you have a bug problem, you want to ensure your efforts are as simple and effective as possible. TERRO® Liquid Ant Killer uses borax to kill the ants you see, as well as the ants you don’t see. It works by allowing the forager ants to consume the product and survive long enough to carry the liquid back to the nest and deliver a dose to the rest of the colony. Complete control may take up to two weeks. For your convenience, the packaging conveniently comes apart to allow for easy placement.

Ant Killer
 
Eliminate Ants
How Does Liquid Ant Killer Work? Since this is a bait, initially you will see more ants – but don’t worry, this is a good thing. As ants forage for food, they are easily attracted to the sweet liquid. After finding the bait, worker ants consume it and leave behind a pheromone trail leading back to the colony. This trail lets other worker ants know where the newly discovered food supply is. This is why you will see more ants in the beginning.

Meanwhile, the active ingredient, borax, is slowly interfering with each ant’s digestive system, ultimately killing them, but leaving enough time for the ants to go back and share the dose with the rest of the colony. This slow kill is necessary so that foraging ants can make several trips to the bait, allowing you to get rid of both the ants you see and the ants you don’t.

 

Where to Place Liquid Ant Killer

Place TERRO® Liquid Ant Killer near ant trails and other locations where they are numerous. Apply the baited cardboard tiles on the edges of sinks, tubs, windowsills, under food cabinets, along floors and baseboards and in corners. The more bait placements, the better! Be sure to leave the ant killer undisturbed while the ants are actively feeding on it.

Where to Place Bait
 
How to use
How to Use Liquid Ant Killer TERRO® Liquid Ant Killer is very easy to use. Before placing the ant killer, be sure to remove other sources of food, such as crumbs, sugar and grease spots to prevent attracting them elsewhere. Do not place where you’ve already sprayed insecticides, as the pests may avoid the ant killer.
  1. Tear the "PLACE TERRO® HERE" cardboard tiles from the packaging along the perforated lines. Then, apply drops of the liquid ant killer directly from the bottle onto the smooth side of the tile. you may also substitute with small pieces of paper, cardboard or foil.
  2. Place the ant killer tiles on a flat surface near signs of target pests. Place additional tiles anywhere they may enter your home. Heavily infested areas may require additional placements.
  3. Monitor placements regularly, but do not interfere with the pests or bait. Add more liquid if it goes dry or simply add more tiles to ensure there's always a fresh supply for the ants. Depending on the size of the ant invasion, complete control may take up to two weeks.
TERRO® Liquid Ant Killer Product Details Interested in learning more about TERRO® Liquid Ant Killer? Take a closer look at the in-depth specifications for this product. Complete Product Details »
TERRO® Liquid Ant Killer
Model # T100-12
Includes
  • 1 oz bottle
  • Nine cardboard squares for product placement
Active Ingredients 5.40% Sodium Tetraborate Decahydrate (Borax)
Eliminates Common household ants, including acrobat ants, argentine ants, big headed ants, cornfield ants, crazy ants, ghost ants, little black ants, odorous house ants, pavement ants, white footed ants, and other sweet eating ants
Recommended Placement
  • Along baseboards
  • In corners of rooms
  • Under food cabinets
  • On countertops
  • On edges of sinks and tubs
  • Under and behind appliances
  • Under sinks or around pipes
  • On windowsills and around doorways
  • Near garbage cans
  • Along ant trails
Learn More About Ants

TERRO® has a wide variety of helpful articles to guide you in your efforts to get rid of the pest insects in your home or business. Check these resources to assist you in your pest control efforts.

About TERRO® For more than a century, TERRO® has been the trusted name in insect control. Our innovative products are the gold standard in home ant control and beyond. Look for our bright orange packaging on a variety of products, including liquid ant killer, aerosol sprays, perimeter treatments and other products for your home and business. More About TERRO®»
Specs

TERRO® LIQUID ANT KILLER
Model # T100-12
Includes 1 oz bottle
Active Ingredients 5.40% Sodium Tetraborate Decahydrate (Borax)
Eliminates All household ants, including:
  • Acrobat ants
  • Argentine ants
  • Big headed ants
  • Cornfield ants
  • Crazy ants
  • Ghost ants
  • Little black ants
  • Odorous house ants
  • Pavement ants
  • White footed ants
  • Other sweet eating ants (except fire ants, pharaoh ants, carpenter ants and harvester ants)
Recommended Placement
  • Along basebboards
  • In corners of rooms
  • Under food cabinets
  • On countertops
  • On edges of sinks and tubs
  • Under and behind appliances
  • Under sinks or around pipes
  • On windowsills and around doorways
  • Near garbage cans
  • Along ant trails
Usage Notes
  • Tear pieces of cardboard from the carton along the perforated lines. (Small pieces of paper, cardboard or foil also may be used).
  • Allow a few drops of the ant killer to puddle on the smooth side of the cardboard tiles.
  • Place the baited cardboard to an area where ants have been seen.
  • Do not skimp on bait placements; the more bait placements, the better.
Reviews

Disclaimer: Terro.com does not endorse any information contained in product reviews. Please follow all label instructions for your specific use.

Most Recent Customer Reviews

Review Rate
Review posted on www.terro.com
July 11, 2018
Terro# 1 ant killer By Lee

I have tried all the brands out there. Terro is the best. If you have ants place some Terro out and within a day all the ants gone. Now I recommend Terro too everyone.

Review Rate
Review posted on www.terro.com
July 11, 2018
Works but seems to be a design flaw with the package By Lizpuff

This stuff works really well. I bought it for a colony of sugar ants that come out from under the runner between my carpet and tile. The only issue I have with the product is the design of the package. The ants in my home were very very tiny and didn't want to climb into the container. Several days went by with the ants ignoring the bait. I ended up pouring the liquid out onto a piece of foil on the floor. Once the liquid was poured out the ants swarmed it. I am not sure if it is a good thing or not but one whole container was gone after 1 night. This morning I got up and saw ant corpses all over my floor. There are still ants moving about but not as many. I think I might be slowly winning the war

Review Rate
Review posted on www.terro.com
July 2, 2018
works fast By lorirc42409

This product works really well, and is very affordable. I had so many ants in my kitchen until I purchased this, and within 2 days they were all gone. Well worth buying!

Review Rate
Review posted on www.terro.com
July 1, 2018
Help! By Tina

The ants come and go every couple of days. They are coming from a space in the bricks on the outside of my home going in to the ground. What else can I do? Does this seem like a huge colony ?

Response From Terro®
Jennifer : Consumer Relations Representative

Hello Tina,

We are sorry to hear of this experience! From this description, it sounds as if there are multiple colonies. In these instances, we recommend using contact killers such as the TERRO® Outdoor Ant Killer Spray (Model T1700-6) or the TERRO® Ant Killer Plus (Model T901-6).

Please feel free to contact our Consumer Relations Team at 800-800-1819 x 458 with any questions or for additional assistance.

Review Rate
Review posted on www.terro.com
June 27, 2018
Waste of time and money By Tom

Have had it out for a month - still have ants. Recommend using this to bait them in - then use hammer to kill!

Response From Terro®
Jennifer : Consumer Relations Representative

Hello Tom,

Thank you for providing this feedback! We are sorry to hear of this experience and would like to learn more about what is occurring. For further assistance, please feel free to contact us directly. Our Consumer Relations Team can be reached at 800-800-1819 x 458. We are happy to help!

Review Rate
Review posted on www.terro.com
June 25, 2018
Best product out there! By Kelly

I recommend this product to all my friends and family every time someone starts talking about ants. I have NEVER had to use them more than once per season. I will get use any other product for ants!

Review Rate
Review posted on www.terro.com
June 25, 2018
Bad design— Liquid in weak container By Daddy

Container is terrible. Liquid form is not much better. Yes it killed ants but it was like honey spilled on my counters.

Response From Terro®
Jennifer : Consumer Relations Representative

We are glad the product was effective and apologize for this experience! To clean the product, we recommend using warm water and soap. If the bait has hardened, placing a warm, wet cloth on top of it for approximately 20 minutes will soften the bait to make it easier to remove.

Please feel free to contact our Consumer Relations Team at 800-800-1819 x 458 with any questions or for additional assistance.

Review Rate
Review posted on www.terro.com
June 18, 2018
Works like a terminator By Ella

I had ants that were getting into everything sweet, someone told me about this and the ants love it like it’s crack, I had to resist the urge to kill them because there were a lot of them and none of them died at the bait, which was good they eat untill it’s gone and now their gone. I don’t understand people saying that it dries up I didn’t have that problem.

Review Rate
Review posted on www.terro.com
June 18, 2018
not working By Linda

Not effective after 2 days.This time I used for black ants wondering around in several locations:3-4 separately on recently soap and water washed wood floor under kitchen table,1-2 periodically ontop of the table,1-2 ontop of kitchen island counter,1-2 near fridge floor. No lines of ants seen at any time. Not able to locate source. In the past I've even tossed them in the liquid,they've swam out, come back later with a line of ants over the course of a day, then, woll-ah! Gone! This time they were very hard to catch-they play possum then zoom away when tapped. Very hard to catch. what's going on?

Response From Terro®
Jennifer : Consumer Relations Representative

Hello Linda,

Thank you for providing this feedback! Are the ants attracted to the baits? If so, it may take up to a few weeks to see a decrease in activity depending on the size of the colony and how many colonies are in the area.

If the ants are not attracted to the baits, they could be in their breeding phase of life where they are looking for protein rather than sugar. In these cases, a contact killer would work best.

Our Consumer Relations Team is happy to provide additional assistance. Please feel free to contact us at 800-800-1819 x 458.

Review Rate
Review posted on www.terro.com
June 18, 2018
Product was better in past By DLJ

Seems like all I do is feed ants everyday for the past 6 weeks. Product is different from the past. Past product(maybe 10 years ago) had arsenic in it. Took arsenic out and now feed ants. Yes they do go right to the product, and feed. Every year I get ants in the same area and for the last few years of using Terro Liquid all I do is feed them. Doesn't appear that any disappear.

Response From Terro®
Jennifer : Consumer Relations Representative

Thank you for providing this feedback! Rest assured, the formula has not changed. The active ingredient in this product is borax; it works by disrupting their digestive systems and kills them within 24-48 hours. From this description, it sounds as if there are multiple colonies or one very large one. In these cases, we recommend treating the outside of the home as well to contact the ants before they make their way indoors.

We are very sorry for this experience and hope this information was helpful! Please feel free to contact our Consumer Relations Team at 800-800-1819 x 458 with any questions or for additional assistance. We are happy to help!

Read All Reviews (71) Write a Review
Q&A
Q.Does this product have an effective life span? I believe my bait has darkened in color from last year to this.
A.

The main ingredients in this product are sugar, water and borax. Over time, the liquid may start to crystallize and become a different color. As long as it is in liquid form, it is still active. However, we recommend replacing the bait after two years to keep it fresh.

Q.I put out the liquid drops yesterday morning. The ants were swarming around the baits within an hour. Upon returning early evening, I could see that they had consumed all of the Terro. Some of the bait stations (pieces of cardboard) I was able to add more drops to without disturbing the ants. A couple of them I disturbed the ants. Today, 24 hours later, the ants are just kind of sitting around like a herd of cattle not doing much. They're definitely alive but they're not really doing anything and only a few are consuming any of the bait/liquid. My question is, does disturbing them cause something to be released by the ant when it's scared thus causing no other ants to come back to that bait station? IE...have the ants marked that area as bad juju for them? Should I remove that station and discard it and clean that area so that no "trails" are their for them to follow and it's basically fresh for them to discover once again with a brand new bait station?
A.

It sounds as if the product is beginning to affect them. The ants that consume the bait will die within 24-48 hours. If some of the ants are coming back to the bait, we do not recommend disturbing the stations. A decrease in activity should be seen within a few days to a few weeks.

Q.Will Terro Liquid ant killer kill carpenter ants?
A.

This product is not recommended for carpenter ants as they are typically looking for a protein based food source. However, if they consume the product, it will effectively kill them.

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All About

Ants

There are more than 10,000 known species of ants living throughout the world. Like other insects, they have six legs; each with three joints. Ants have large heads with compound eyes, elbowed antennae and powerful jaws. Ants are social insects that live in structured nest communities throughout the world. The species of ant determines whether they live underground, in mounds built at ground level, in wood structures or in plants or trees.

More About Ants

FAQs

Why are ants always invading my kitchen, bathroom and laundry areas?

Ants are attracted to food, water and shelter. Kitchens, bathrooms and laundry rooms provide at least two of these conditions, making it an ideal haven for ants to congregate.

What’s the difference between liquid and gel ant baits?

It’s a little known fact that adult worker ants cannot digest solid food (bait). Their anatomy is designed for transporting and digesting liquids only. Solid foods must be carried back to the colony for additional processing by the larvae stage. Liquid baits exploit this unique physiology by making it easy for ants to transport the liquid bait back to the rest of the colony, including the queen, larvae and other workers.

I just placed TERRO® Ant Killer in my kitchen and it’s attracting more ants, not killing them! What’s going on?

You have nothing to worry about! Initially, you will see more ants. As ant foragers look for food, they are attracted to the sweet liquid in the bait which they consume and carry back to feed to the rest of the colony. On the way back to the nest, the ants drop what it called a ‘trail pheromone’, letting the other ants know where the tasty food supply is. In turn, these ants follow the trail to the bait which explains why you initially see more ants.

The active ingredient in the bait interferes with the ants' digestive systems, eventually killing the ants within 24-48 hours after consumption. This slow kill gives the worker ants enough to get back and share the bait with the colony. Baiting is the only way to successfully wipe out the ants you see and the thousands you don’t.

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