---
product_id: 1401196
title: "TERRO 1 oz Liquid Ant Killer - Attract and Kill Household Ants - Indoor Ant Killer - T100-12, Works Fast"
brand: "terro"
price: "¥2693"
currency: JPY
in_stock: true
reviews_count: 13
category: "Terro"
url: https://www.desertcart.jp/products/1401196-terro-1-oz-liquid-ant-killer-attract-and-kill-household
store_origin: JP
region: Japan
---

# Fast-acting colony elimination Precision indoor placement Borax-based slow-acting bait TERRO 1 oz Liquid Ant Killer - Attract and Kill Household Ants - Indoor Ant Killer - T100-12, Works Fast

**Brand:** terro
**Price:** ¥2693
**Availability:** ✅ In Stock

## Summary

> 🐜 Outsmart ants before they invade your space!

## Quick Answers

- **What is this?** TERRO 1 oz Liquid Ant Killer - Attract and Kill Household Ants - Indoor Ant Killer - T100-12, Works Fast by terro
- **How much does it cost?** ¥2693 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/1401196-terro-1-oz-liquid-ant-killer-attract-and-kill-household)

## Best For

- terro enthusiasts

## Why This Product

- Trusted terro brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Effortless Setup:** Simply apply drops on included cardboard tiles and place near ant trails
- • **Discreet & Odorless:** No harsh chemical smell—perfect for modern indoor living spaces
- • **Long-Lasting Supply:** 1 oz bottle covers multiple bait placements for sustained protection
- • **Colony-Wide Eradication:** Kills visible ants and the hidden colony for total control
- • **Scientifically Proven Formula:** Borax bait attracts ants who share the lethal dose with the nest

## Overview

TERRO 1 oz Liquid Ant Killer uses a borax-based bait that attracts worker ants to consume and carry poison back to their colony, eliminating both visible ants and the queen. Designed for indoor use, it offers a fast-acting, odorless, and easy-to-use solution that requires minimal effort but delivers comprehensive ant control over up to two weeks.

## Description

Product Description Attract and kill the ants you see, as well as the ants you don’t see with TERRO Liquid Ant Killer. The liquid, which contains borax, is specifically designed to allow worker ants to consume the product, survive long enough to carry the liquid back to the nest. Ants consume the liquid ant bait and return to the nest where they pass it around to the rest of the colony. The active ingredient in the bait slowly interferes with the ants’ digestive systems, ultimately killing them. Since this is a bait product, you will initially see more ants as they are attracted to the liquid – but don’t worry, this is a good thing. After the bait is consumed, insect populations will begin to decline. Complete control may take up to two weeks. The 1 oz bottle offers plenty of ant-killing power to eliminate your infestation. For your convenience, TERRO Liquid Ant Killer is easy to use. Simply apply drops of the liquid ant killer directly from the bottle onto the smooth side of the cardboard tiles included on the packaging. Then place indoors on a flat surface near ant trails and other signs of ant activity. The more bait placements, the better. Be sure to leave the ant killer undisturbed while the ants are actively feeding on it. Manufacturer's Notice Private Recall Manufacturer Remedy Information Private Recall From the Manufacturer The no.1 selling brand in the category. America's leading liquid ant killer provides fast-acting elimination of the queen and entire colony.

Review: 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.
Review: 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.

## Features

- KILLS ANTS: Attracts and kills all common household ants
- ATTACK THE COLONY: Kills the ants you see and the ants you don’t. Worker ants deliver a lethal dose to the rest of the colony
- HOW TO USE: Apply the liquid bait to cardboard tiles and place where ants are seen. The more bait placements the better your results will be
- WHERE TO USE: Use the TERRO ant killer along baseboards, under cabinets and near entry points
- Ants crave it, eat it and share it with the colony
- Kills all common household ants

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000NCUW1M |
| Active Ingredients | Sodium Tetraborate Decahydrate (Borax) 5.40%; Other Ingredients 94.60% |
| Best Sellers Rank | #36,554 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #307 in Pest Control Baits & Lures |
| Brand | Terro |
| Brand Name | Terro |
| Customer Reviews | 4.6 out of 5 stars 7,651 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 |

## Product Details

- **Active Ingredients:** Sodium Tetraborate Decahydrate (Borax) 5.40%; Other Ingredients 94.60%
- **Brand:** Terro
- **Item Form:** Liquid
- **Item Weight:** 2.1 ounces
- **Liquid Volume:** 1 fluid ounces

## Images

![TERRO 1 oz Liquid Ant Killer - Attract and Kill Household Ants - Indoor Ant Killer - T100-12, Works Fast - Image 1](https://m.media-amazon.com/images/I/81KKz5qEAUL.jpg)
![TERRO 1 oz Liquid Ant Killer - Attract and Kill Household Ants - Indoor Ant Killer - T100-12, Works Fast - Image 2](https://m.media-amazon.com/images/I/A143aCpeCLL.jpg)
![TERRO 1 oz Liquid Ant Killer - Attract and Kill Household Ants - Indoor Ant Killer - T100-12, Works Fast - Image 3](https://m.media-amazon.com/images/I/81uLWwZ+LYL.jpg)
![TERRO 1 oz Liquid Ant Killer - Attract and Kill Household Ants - Indoor Ant Killer - T100-12, Works Fast - Image 4](https://m.media-amazon.com/images/I/81QDF-VROUL.jpg)
![TERRO 1 oz Liquid Ant Killer - Attract and Kill Household Ants - Indoor Ant Killer - T100-12, Works Fast - Image 5](https://m.media-amazon.com/images/I/81bs1tzjYPL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: Does each bottle of Terro have an effective shelf life? Haven't had this bottle more than a year or two and yesterday they ignored it like the plague.**
A: Once the clear liquid changes into a light yellow color it becomes less attractive to the ants and if dark brown they avoid it like poison.  I've tried to re-dilute it a little with purified water with some success, but as soon as I switch in a fresh bottle, the same ants that ignored the old stuff start eating the bait like crack.  So yes.. there is an effective shelf-life of 6 months to a year once opened, the better re-sealed it is after each use, the longer the shelf life.

**Q: Does Terro Bait work against argetine ants?  Any success story to share?**
A: from the manufacturer website:   The most reliable way to eliminate an entire colony of Argentine ants is to use liquid ant baits. TERRO® liquid ant bait products provide fast-acting elimination of the colony. Once foraging worker ants find the ant bait, they will go back and share it with the rest of the nest. TERRO® offers ready-to-use indoor and outdoor versions of Liquid Ant Killer Baits.

**Q: how long does it take to see less or no ants?**
A: This product will kill the ants that consume it within 24-48 hours.  Depending on the size of the colony, it may take several weeks to notice a decrease in ant activity.

**Q: Is it pet friendly.**
A: The active ingredient found in TERRO® liquid ant bait is a Borax. Borax has a low toxicity for people and animals, but ants are another story. When ants consume the Borax bait, it interferes with their digestive system and gradually kills them. This slow kill allows time for the worker ants to consume the bait and head back to the nest to share with the rest of the colony.But, as with any pesticide, it's important to read the included instructions for information on how to best store and apply the product around children and pets.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works!
*by S***O on July 28, 2025*

🧪 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.

### ⭐⭐⭐⭐⭐ One of the Few Ant Killers That Actually Works
*by P***E on July 15, 2026*

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.

### ⭐⭐⭐⭐⭐ Wonderful!
*by A***N on August 13, 2026*

This works the best! There WILL be a surge in ants once they find where you put it because they love it so much, but once they spread it around to the colony the ants are gone for the rest of the season!

## Frequently Bought Together

- Terro T100-12 Liquid Ant Killer II, 1 oz, Pack of 1
- TERRO Ant Killer Bait Stations T300B - Liquid Bait to Eliminate Ants - 12 Count Stations for Effective Indoor Ant Control
- TERRO T901-6 Ant Killer Plus Multi-Purpose Insect Control for Outdoors - Kills Fire Ants, Fleas, Cockroaches, and Other Crawling Insects - 3lb

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-09-08*