Quote:
Originally Posted by calgarygeologist
Have you tried one of the powder options?
http://www.homedepot.ca/product/ant-killer/909558
I used a similar product around a tree and along my fence in my yard and it worked great at killing and eliminating the ants that I had. Once the ants were gone I did not reapply and they have not returned.
If you know of some areas that are entrance ways for the ants put some of that stuff in there and it should help.
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This.
I had a big infestation around a tree in my front yard. This powder knocked them all dead in about a week or so.