DIYbanter - View Single Post

[email protected][_2_]

wrote:
On Sun, 11 Jul 2010 12:51:42 -0400, "
wrote:

Some people use b.a. as a barrier against roaches...would
be nice around a building, if it worked, but it is also water soluble so
disappears in the rain.

The reason Boric Acid works on roaches is that, in spite of the
perception, they are pretty clean insects. They end up licking their
feet like a cat and ingest the poison.

I've read that they avoid it unless mixed with food.