Draw A Line for Ants with Coffee

If ants are coming in a particular spot, draw the line - with used coffee grounds. Most people dont know this fun fact but, if you put an ant in the corner of a box and then make a line with coffee grounds about an inch or two out, the ant will not cross that coffee ground line. They have some weird aversion to it. They will die of hunger/thirst in that corner before they cross it.

I use it on my herbal plants by making a circle around the bottoms and sprinkle a few grounds on the leaves for good measure. Hope this tip helps someone.