It won’t kill ants, but it is an effective repellent. Mix two parts of distilled white vinegar with one part of warm water in a spray bottle. Apply on visible ant trails inside or outside your home.

Then, spray thoroughly along their path and at their ... If all else fails and the problem is severe, to effectively kill ants, Dr. Tracey Ellis, an entomologist with FarmSense, says to try ...

From one of the UK's best-known pest control specialists comes this spray which will see to common household insects like fleas, ants, cockroaches, earwigs, bedbugs and most other crawling insects.