TERRO T300B Liquid Ant Bait Ant Killer


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Have you ever had your house run over by ants? Every corner you turn, every room you walk into, finding those unwanted guests everywhere can be a great party pooper. It becomes more uncomfortable when you need to have guests over. Imagine your mother-in-law coming over for the weekend; the sheer horror of her complaining about ant disturbance will further put stress on your relationship.

However, you don’t have to concern yourself so much anymore. Terro T300B Liquid Ant Bait Ant Killer is specifically designed to lay your concerns to rest. Aside from other ant bait killers, this particular product gained popularity due to its ad campaign run on the cable network. We found some information which we believe might tip the scale should you ever decide to buy this product. Let’s get right into it.


Terro T300B Liquid Ant Bait Ant Killer is specially designed to allow worker ants to introduce the colony’s poisonous bait. In fact, you might notice a large insect trail for the first few days of putting the bait out. This is because the worker ants have created a trail for others in the colony to follow. However, the borax poison will kick-in in a few days, and the insects will be eliminated. You might have to put the bait out for about two weeks to gain total control, but you will notice a significant reduction in population in three to five days.

This product is very easy to use, with straightforward instructions. Before you place the bait in strategic places, sweep off food crumbs and leftovers. That way, the ants won’t form another trail. This product is sold in dual boxes, and each package contains six bait stations. Additionally, it is relatively affordable as it costs just $29 and is considered cost-effective by most people.

Although Terro T300B Liquid Ant Bait Ant Killer is considered safe for pets and children, it is rather advised that you keep this product away from them.

  • Attracts insects fast
  • Contains Borax
  • 12 Bait stations included
  • Design prevents bait from drying
  • Pre-filled, ready to use stations


  • Complete control may take up to two weeks
  • Only effective on ants attracted to sugary substances

What Is Terro T300b Liquid Ant Bait Ant Killer Made From?

Terro T300B Liquid Ant Bait Ant Killer is made from borax gel. Borax specifically eliminates ant colonies because it destroys the ants’ digestive systems, thereby killing them from inside out. The initial delayed reaction is designed to be so that the bait can be shared around the entire colony. The bait stations prevent the liquid baits from drying out, making them viable for the duration for which they are needed.

Our Terro T300B Liquid Ant Bait Ant Killer Review

It is important to state that this review is entirely subjective, primarily based on our experiences. While you might find a few contradicting opinions and reviews online, we believe you can make a better judge of this product from your experience of it.

We have addressed this product from different angles, all of which we believe will allow you to decide whether it is the best for your needs. However, for safety’s sake and so you can benefit the most from this product, we highly recommend that you strictly follow the packaging instructions.

Scent (9.2/10)

Terro T3OOB Liquid Ant Bait Ant Killer is pretty easy on the nostrils. Since the bait’s primary component is borax, it doesn’t have any offensive odor that might get you out of your house. I barely knew it was there, and my cat, that’s always sniffing every nook and cranny of the house, left the ant baits till they were completely dried up. I guess the cat couldn’t pick up the smell.

Unlike other methods that I have tried, most of which involved strong-smelling agents, the ants were not distracted by the smell. This product might contain an appealing pheromone that attracts sugar ants the same way they are attracted to food crumbs. Whichever way it is, I’m grateful it worked perfectly. Also, since the stations keep the liquid from drying out, it keeps the scent in longer. All in all, the smell of this product is not toxic or unpleasant to humans and pets. A perfect score of 9.2 is just right for this aspect of the product.

Thickness (8.6/10)

When I initially found out that the Terro T300B Liquid Ant Bait Ant Killer had liquid bait, I was skeptical about it. Most liquid ant baits that I have used earlier on all washed out of the packet before the ants could conveniently feed on them. Compared to others, this product’s consistency is high enough for the bait to remain in the stations. Also, this high consistency prevented the bait from drying out quickly.

Asides from this, I believe the ants might not feed on the bait if it was not presented in syrup form. Although to attain the best results, I’d recommend that all stations be used at once. You might have to buy more boxes to go through the duration you intend on setting the bait, but opening all stations gives more room for the ants to feed. The more, the merrier, isn’t it? All of this put together justifies the score accorded this aspect of Terro T300B Liquid Ant baits ant killer.

Ease of Use (9.2/10)

For some unknown reason, my relatively clean and dry house had an invasion of ants this past summer. Just a crumb of food attracts ants. A hole in the garbage, a drink spill left uncleaned, anything at all was attracting ants in droves. The effectiveness with which this product made them disappear seems like a violation of the laws of thermodynamics – it looked like a bit of magic and science rolled in one.

Terro T300B Liquid Ant Bait Ant Killer is a distinctive way of cleanly getting rid of ants once you find where they are coming from. If you put it in the wrong place, it feels as though they increase for just a while. But, once you get the location right, they outright disappear, which is excellent. Also, since the ants die around the trap or back in their nest, it is easier to dispose of and clean up. I didn’t have to worry about picking dead bugs all over the place. 9.2 is a perfect score for ease of use of this product.

What do you think?

Effectiveness (8.7/10)

Honestly, ants are no match for Terro T300B Liquid Ant Bait Ant Killer. Since my kitchen got filled with ants, I have tried bleach and vinegar solution, together with other homemade products, but none seem to keep them at bay for much longer. When I found this product, it was a last resort; my next option was to call the exterminator. This ant bait is pretty easy to use. Though, my one complaint is that the stations are not easy to open with the fingers; I had to use scissors.

It took about two weeks for the ants to disappear completely, but I started seeing immediate results within the first 36 hours. No longer do ants trail after food crumbs or cluster around the countertops and shelves in my kitchen. You might need to be patient, especially with non-obvious trap placement, but you will gain control of your house in due time. All in all, the effectiveness of Terro T300B Liquid Ant Bait Ant Killer deserves a rating of 8.7.

Value for Money (8.8/10)

Suffice to say, I don’t like uninvited visitors. I’m sure the sugar ants that invaded my house were enjoying the shows I had going on Netflix. While I have no idea how they wiggled their way into my bedroom and living area, I believe I got more than the worth of the money I spent in clearing them out. The effectiveness and ease of use, as explained by reviews on the internet, were what sold Terro T300B Liquid Ant Bait Ant Killer for me.

Although I had to buy the product multiple times over two months to kick out those unwanted guests completely, every penny was worth it. By the time the last box was exhausted, I could settle into my shows without the scare of getting bit midway. I have nothing but positive remarks for this product, so an 8.8 it is.

Final 8.9

We doubt you will have any difficulty in using this product. Although there have been a few concerns about this product’s new design, Terro, the manufacturing brand, has made a promise to look into re-engineering it. With just the right amount of bait, you might soon be ant-free and can enjoy your home without these irritating little creatures.

This review was a collation of submissions from different individuals. This has allowed us to eliminate biases effectively. Conclusively, we agreed that a final verdict score of 8.9 is a perfect fit for Terro T300B Liquid Ant Bait Ant Killer.

[FAQs] Consumers Questions and Answers

Does It Work For Sugar Ants?
Yes. This product works well in attracting and killing sugar ants.

Description says 6 in a box, pack of two. Do you get 2, 6, or 12 traps?
You will get 12 traps. There are 6 in each box, and you get two boxes.

Does This Only Work On Ants That Are Attracted To Sugary Substances?
Yes. If the ants are attracted to other substances, it is recommended that you use contact spray insecticide instead

8.9 Total Score

Ease of Use
Value for Money
  • Attracts insects fast
  • Contains Borax
  • 12 Bait stations included
  • Design prevents bait from drying
  • Pre-filled, ready to use stations
  • Complete control may take up to two weeks
  • Only effective on ants attracted to sugary substances
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