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 widely used as an insecticide, fire retardant, antiseptic, treatment for yeast infections, wood preservative, and used in glass, cement, leather, soap, cosmetics, and carpets. Learn more ...