Kill ants and their colonies in just a day. I had thousands of small red ants and large red ones around my front and backyard. Using just a ramekin mixed up 3 batches. Stir well, flip it upside down to avoid wind they were gone.
I've tried natural pest control approaches before: Some have worked, some didn't. This list explains what's really effective based on several quality resources, including university entomology departments.