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This item is eligible for return within 30 days of receipt
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Availability:
In Stock.
Arrives
Friday, Nov 13
At a glance
- Condition
- New
- Style
- Mound Treatment
- Size
- 3 lb.
- Weight
- 3 lb
- Item Form
- Granules
- Target Species
- Insects
- In the box
- Pest control
Features 5
- FAST-ACTING FIRE ANT TREATMENT: This insect control product kills fire ant mounds in 15 minutes when used as an fire ant killer outdoors
- KILLS FIRE ANTS & THE QUEEN: Ortho Fire Ant Killer Mound Treatment1 ant granules kill mounds and the queen, and keep new mounds from forming
- WHERE TO USE: Use these fire ant granules for outdoors to kill fire ants on residential lawns and on ornamentals and flower gardens
- WHEN TO APPLY: Apply this fire ant mound killer outdoors when temperatures are between 65F to 80F, or early in the morning or late evening when ants are most active
- HOW TO USE: To use this 3 lb. bag of Ortho Fire Ant Killer Mound Treatment1, apply 2/3 cup of ant killer outdoor granules to mounds and surrounding 3-ft. diameter and drench with 2 gallons of water
Description
Reclaim your lawn from fire ants with Ortho Fire Ant Killer Mound Treatment1. This insect control product kills fire ant mounds in 15 minutes. In addition, it kills both the mound and the queen, and keeps new mounds from forming. DIY homeowners can use this pest control product on residential lawns and on ornamentals and flower gardens. To treat mounds, apply 2/3 cup of fire ant killer granules over each fire ant mound and the surrounding 3-foot diameter. After application, drench the mounds with 2 gallons of water. Do not water to the point of run-off, and do not make applications in the rain. For best results, apply in cool weather (65°F to 80°F) or in the morning or late evening hours when ants are most active. Do not apply this product to vegetables. Do not allow people and pets to re-enter treated area until granules have been watered in and area has dried. With Ortho Fire Ant Killer Mound Treatment1, you can get rid of fire ants and get back to enjoying your lawn.
Specs 10
| Item Form | Granules |
|---|---|
| Item Weight | 3 pounds |
| Brand | Ortho |
| Target Species | Insects |
| Unit Count | 1 Count |
| UPC | 071549020552 |
| Global Trade Identification Number | 52 |
| Item Type Name | Mound Treatment |
| Manufacturer | The Scotts Company LLC |
| Part Number | 205506 |
No specs match.
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Friday, Nov 13
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
This stuff WORKS!
Style: Mound Treatment
Size: 14 oz.
I applied to six ant hills in my yard yesterday. The ants seemed to be attracted to it and I saw several walking off with granules and disappearing down the holes in the mounds. Today there is not a single ant to be seen! Unlike previous products I used before, I did not have to sprinkle it all around each mound and apply water afterwards. I simply sprinkled a couple of tablespoons full on top of each mound and that was it. The ONLY thing I don't like about this stuff is the smell, but it's so worth the results.
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Reviewed in the United States on July 23, 2026 by FluffySting
Miracle invention which actually works faster than advertised !
Style: Mound Treatment
Size: 12 oz. (2-Pack)
KILLS FIRE ANTS & THE QUEEN!!!!! Fire ants can be a real nuisance in your yard. That's why Ortho Orthene Fire Ant Killer is a great solution to get rid of them. This outdoor fire ant killer targets the entire colony, so you can control the ants at the source. The best part is that it starts killing fire ants in just 60 minutes, which means you can quickly get back to enjoying your yard without those pesky ants getting in the way. With Ortho Orthene, you can say goodbye to fire ant problems and hello to a more enjoyable outdoor space. This package comes with two 12 oz bottles of Ortho Orthene Fire Ant Killer. HOW TO USE: To get rid of fire ants outdoors, just sprinkle some granules over each mound. Follow the instructions on the label for how much to use. You don't need to water it in afterwards. One 12 oz bottle can treat up to 162 mounds, which is pretty convenient. WHERE TO USE: You can use this fire ant killer outside to get rid of fire ants in your yard and around plants like flowers, trees, and bushes. It's a good way to keep your lawn and plants safe from these pesky ants.
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Reviewed in the United States on September 18, 2026 by David Bovie
Working well against roaches!
Style: Mound Treatment
Size: 14 oz.
I have gone through 4 different roach killers: spray, liquid, home defense, and traps and they all didn't work on the endless hoard of roaches plaguing my room. Bought this after hearing several tiktoks and other videos recommending it. Immediately difference made after powdering the edges of my room. Went from seeing roaches every other hour to NOTHING 3 days in. It DOES stink like a fart but air fresheners hide it and I either really quickly got use to it or it quickly fades away
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Reviewed in the United States on September 4, 2026 by Dultimate
Ortho Orthene Fire Ant Killer: Because Your Yard Deserves to be a Fire Ant-Free Zone
Style: Mound Treatment
Size: 12 oz. (2-Pack)
Fire ants, huh? The little buggers that turn your backyard into a battlefield. You’re just trying to enjoy your Sunday BBQ, and suddenly, BAM, you’re fighting for your life against tiny red demons who seem to think your feet are their personal target practice. Well, guess what? Ortho Orthene Fire Ant Killer is here to save the day, and it’s not playing around. This stuff is like the fire extinguisher of the insect world, except it works faster and is much better at not causing fires. Let’s break this down: Ortho’s got a secret weapon, it starts working in 60 minutes. That’s right, in the time it takes for you to binge-watch one episode of The Walking Dead, this stuff is already in action, tearing through fire ant colonies like it’s a one-man wrecking crew. And not just the worker ants, oh no. It goes straight for the queen too, because if you want to stop the operation, you go straight to the top, right? Think of it as a tactical strike on the entire fire ant empire. And don’t worry about messing around with complicated instructions. Just sprinkle this 12 oz. of fire ant-fighting magic on the mound and sit back while the ants get their eviction notice. If you’ve got a serious fire ant issue, grab the 2-Pack, because you’re going to want backup. PROS: • Kills the queen: It’s like a game of Ants vs. Us, and guess who’s winning? You, with the queen gone and the rest of her minions scrambling for survival. • Starts working in 60 minutes: It’s like a turbocharged anti-ant missile. If ants had feelings, they’d be seriously bummed right about now. • Easy to use: Just sprinkle it, and BAM, instant karma for the ants. No complicated steps, just results. • Kills mounds: If you’ve got a yard full of fire ant mounds, this stuff is like a party crasher, coming in and taking down all the invitations before they can even spread. • Effective: It works like a charm. If only we could get it to work as quickly on other pests, like that guy who always parks too close to you at the grocery store. CONS: • You might need more than one application: If you’ve got a major infestation, you might need to go back for seconds. But hey, ants aren’t known for being smart. • Can be a little dusty: A small price to pay for watching those pesky ants disappear into oblivion. In short, if you’re tired of feeling like the fire ant king’s personal doormat, Ortho Orthene Fire Ant Killer is the hero you’ve been waiting for. It’s quick, effective, and gets straight to the point. You’ll be able to enjoy your yard without worrying about fiery critters popping up like uninvited guests. Consider it your personal fire ant bodyguard. Because who doesn’t want that kind of protection?
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Reviewed in the United States on December 14, 2024 by Zoe Mechler
The best mara cockroaches I've found.
Style: Mound Treatment
Size: 12 oz. (2-Pack)
Super recommended powder, for the removal of ants, cockroaches. With just once throwing the dust inside the house and outside around, it was more than enough to eliminate them, a very strong and safe container. It brings a good amount to throw multiple times, I recommend it to the maximum and buy it with great certainty, because it is the only one that has been able to end the little cockroaches it had in the house.
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Reviewed in the United States on September 1, 2026 by Daleidis Leon
Works Well on Fire Ants but Bottle Design Needs Improvement
Style: Mound Treatment
Size: 14 oz.
This worked well on the fire ant mound in my backyard. I noticed no ant activity by the second day, and it seems to kill the colony effectively. It’s also very easy to apply and doesn’t require watering, which is convenient. The downside is the smell — it’s pretty strong during application. I also think the bottle design could be improved. There’s no inner cap or flow control at the opening, so it’s easy to accidentally pour out too much powder in one spot.
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Reviewed in the United States on May 29, 2026 by Daniel
Exelete
Style: Mound Treatment
Size: 14 oz.
Effective and Easy to Use I’m very happy with Ortho Orthene Fire Ant Killer. It was easy to apply and helped control the fire ants around my yard. I noticed a difference after using it, and it has made maintaining my outdoor space much easier. A convenient product to have on hand, especially during fire ant season. I would definitely recommend it!
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Reviewed in the United States on September 21, 2026 by Erika romero
Works on fire ants and also helped with cockroaches
Style: Mound Treatment
Size: 12 oz. (2-Pack)
I bought this Ortho Orthene Fire Ant Killer because I had a serious problem with fire ants in my yard. I used it exactly as directed and started seeing results pretty quickly. The ants stopped coming out and the mounds began to shrink. What I liked most is that it didn’t just help with the ants. I also had cockroaches in some areas of the house, and after using it there they started disappearing too. After a few days I barely saw any. The product is easy to apply, doesn’t need watering, and the two-bottle pack lasts a good while. I’m satisfied with the results. If you have the same problem, it’s worth trying.
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Reviewed in the United States on August 18, 2026 by Osmely ledezma