Texas Bill formula for ants is best (boric acid based). Cheapest and least complicated way to get rid of aunts. My husband has used a slightly different formula (I believe he just mixes boric acid with sugar) and it has worked for us.
See this other formula:
http://www.grinningplanet.com/2004/04-27/ant-control-ant-killer-article.htm
See this other formula:
http://www.grinningplanet.com/2004/04-27/ant-control-ant-killer-article.htm
