Quote:
Originally Posted by KayakerNC
Amdro is the best I've found (so far) for killing these nasty critters around the home. 
But, as yet, nobody has a perfect solution.

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This stuff is excellent. Sprinkle it over the top of the mound and LEAVE IT ALONE. The ants come up and take it down and feed it to the queen, slowly over time you will see the mound die back.
Do not poke, dig into or in any way disturb the nest, you will only get them excited and moving around to make other mounds.