Q: With the recent rains and cold weather my house has been invaded by ants. I heard that you can use boric acid to kill ants in the house, and that it’s nontoxic. How do I use it? A: All pesticides ...

Boric acid is a mineral found widely in nature, from seawater to soil. But when we talk about boric acid for bugs, we’re referring to a chemical compound mined and refined from boron-rich deposits ...