Coffee grounds have proven to be an effective natural repellent against various pests. Thanks to the presence of polyphenols, particularly chlorogenic acid, they emit a strong odor that keeps away ants, aphids, mosquitos, and other nuisances such as scale insects and slugs. Easy to use, simply spread the grounds in a thin layer around plants … Continue reading How to Use Coffee Grounds as a Natural Repellent? Its Effectiveness is Remarkable