Ortho Orthene Fire Ant Killer1, Kills Queen, Destroys up to 162 Mounds, 12 oz.
Ortho Orthene Fire Ant Killer1, Kills Queen, Destroys up to 162 Mounds, 12 oz.
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Ortho Orthene Fire Ant Killer1, Kills Queen, Destroys up to 162 Mounds, 12 oz.

4.7 stars out of 3065 reviews
(4.7)|
3,065 ratings

Key item features

  • Effective Control: Ortho Orthene Fire Ant Killer1 kills the queen and destroys the mound, treating up to 162 mounds.
  • Fast Action: Begins killing fire ants in just 60 minutes, allowing you to enjoy your yard quickly.
  • Versatile Use: Suitable for use on lawns and around ornamental plants, including flowers, trees, and shrubs.
  • Easy Application: Simply sprinkle the product over each mound as specified on the label; no watering-in required.
  • Comprehensive System: Can be used with Ortho Fire Ant Killer Broadcast Granules (sold separately) for extended protection up to 6 months.
  • Optimal Conditions: Apply when ants are active or new mounds appear; avoid application during heavy dew or just before rain.
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Current price is $11.9699.7 ¢/oz
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Customer ratings & reviews

4.7 out of 5 stars
stars3,065 ratings971 reviews
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Reviews summary

Pros
  • : Quickly kills and eliminates ant colonies.
  • : Offers lower cost compared to others.
  • : Quickly kills entire mounds with small application.
Cons
  • : Can be overwhelming and unpleasant.
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Showing 1-3 of 971 reviews

Sep 22, 2025
DC
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Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

The magic of Ortho!

Frankly, I never imagined myself making a review, let alone, one concerning Ants. But '25 has unfortunately been 'the summer of bugs' at our place. We tried 3 other well 'named' products before stumbling onto this Ortho granulated formula. It worked Amazingly well! That would be my review. It works, our several mounds were gone overnight, it was fast, effective and easy to apply.

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Aug 25, 2025
Tracy
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Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

Absolutely works

Definitely works but smells like a can of rotten cabbage. You will need to wear gloves and always apply in the direction of the wind, you definitely don't want this getting on your clothing or yourself as it smells to high heaven's. This does work for the intended insect along with other insects such as silverfish, German cockroaches, other species of ants. Do NOT put this inside your home!!!!

Helpful?2PAMVJMCACLA16888872
Nov 2, 2025
Frank
Item details
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

Dead and Gone!

Finally, something that works! I've tried so many different roach killers, and most never do a thing. This one does the trick. I sprinkled this in the places where roaches like to be, and starting the next day, I was finding dead or dying roaches around. When they walk through it, their bodies start to dry out. I didn't have a severe problem. I just didn't want it to get worse. My only problem I is with the container. It would have been easier to use if it had a nozzle so you could squirt it out. It would be easier to get behind appliances, etc. You also have to keep it away from pets, but I have two cats and had no issues with it.

Helpful?2PAMVJMCACLA16888872