Ortho 0275510 Fire Ant Killer: Review

ortho orthene fire ant killer 1

Review of the Ortho 0275510 Fire Ant Killer

As of this writing, there were 346 customer comments and 29 answered questions for Ortho 0275510 Fire Ant Killer.  I’ve read through the customer feedback and then condensed the results into this review.  I hope that this helps you when shopping for ant killer.

Best Fea​tures

  • check Treats 54 mounds
  • check ​Kills the queen and mound
  • check Money back guarantee 
  • check No watering-in required
  • check Can be used with Ortho 2-Step Fire Ant Method 

Item Specifics

The Ortho 0275510 Fire Ant Killer kills the queen and also destroys the mound. There is no watering-in required.  This product will treat 54 mounds.  It is guaranteed to destroy the colony, or the company will send your money back.  The Ortho 0275510 Fire Ant Killer can also be used along with Ortho 2-Step Fire Ant Method as part of the Fire Ant 2-Step Program. 

No Watering-In required

People liked that this ant killer did not need watered-in.  Here is one of the many comments on watering-in, “This stuff works great! I especially like the fact that no watering is needed for it to work. When you’re dealing with dozens of fire ant mounds, you don’t want to have to deal with having to water them all.  I checked the treated mounds the next day and they were inactive.”

Very Effective on Fire Ants

There were a lot of comments on how well this worked on Fire Ants.  That is what this product is specifically designed for and apparently it does work very well.  Here is one of the many comments about Fire Ants, “This stuff rocks. I live in Houston and purchase it to knock out a few enormous fire ant hills. I followed a previous reviewers recommendation to poke a few holes in the plastic sealer as opposed to removing the entire thing as it helps sprinkle only small amounts down.”

Container Is Hard to Open

There were a lot of comments about the container being hard to open.  Here is one of the many complaints, “One star off because I do not like the cap and opening! There is a paper seal under the cap, which Ortho wants me to slice and remove in order to expose the product…Using their advice, I end up with a container that is difficult to “aim” at small piles, and I also end up wasting product.”

Ortho 0275510 Fire Ant Killer


  • plus Effective on killing fire ants
  • plus No watering-in required
  • plus Money back guarantee


  • close Bottle is hard to open 

Ortho 0275510 Fire Ant Killer Conclusion

The Ortho 0275510 Fire Ant Killer is an effective killer of fire ants.  There is no watering-in required.  The only complaint that I could find was that customers complained that the container was hard to open.  Other than that, this is an effective killer of fire ants.

Common Questions

Here are some top questions that I found for people considering buying the Ortho 0275510 Fire Ant Killer.

  • chevron-circle-right What is the shelf life of this product?  It will last 3 years.
  • chevron-circle-right Is this a powder?  Can it be mixed with water and be sprayed? Yes, it is a powder, and no, it is not to be mixed with water for spraying.
  • chevron-circle-right Is it pet friendly and kid friendly?  No.  It is highly toxic.

Related Article: Best Ant Killer – Our Top Choices and Overall Pick

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