Okay....for the first time ever, we had an ant issue by the dishwasher and sink. I've never seen this happen, so I did some research.
First, I sprayed down the areas with vinegar/water solution. It killed the ones on the counter, but more would show up. I noticed they were coming in by the dishwasher area, so I did more research.
I made a solution of:
1/2 sugar
1 1/2 Tbsp. Borax
1 cup warm water
1 1/2 Tbsp. Borax
1 cup warm water
I then soaked cotton balls in the solution and put them all over the counter tops near the sink/dishwasher. I left them there for 24 hours.
The next morning, I did not see one live ant. The sugar draws them to eat the solution, and the borax kills them. Problem solved, but you have to be patient and let those cotton balls sit for at least 24 hours.
Toss those cotton balls and sanitize you counter tops. Of course if you have little kids or pets, be sure than cannot access those cotton balls while they are sitting on the counter.