Simply pour 2 cups of CLUB SODA directly in the center of a fire ant mound. The carbon dioxide in the water is heavier than air and displaces oxygen which suffocates the queen and the other ants. The whole colony will be dead within about two days. Each mound must be treated individually and a one liter bottle of club soda will kill 2 to 3 mounds.
Tomato growing: The next thing that goes into the hole are a couple of aspirin tablets and some crushed chicken egg shells. The aspirin is to help jump start the plant's immune system. I'll put three or four crushed egg shells into the hole as well. The eggs supply a nice calcium boost, which will help prevent blossom end rot, that nasty brown patch on the bottom of tomatoes that lack calcium (the fish head bone