Spraying vinegar on the front door and surrounding entry points is a popular, natural home-remedy recommended primarily as a non-toxic pest repellent, especially against ants and spiders during summer and autumn. It works because the strong odor of acetic acid disrupts pheromone trails that ants use to navigate and is disliked by spider.
Here
is a breakdown of why people recommend this practice:
- Natural Ant Deterrent: Ants are a major nuisance in summer, and vinegar destroys the "scent trails" they use to find food and return to their colony,






