Biolit plus against ants is a highly effective and durable surface spray for killing ants and other crawling insects in homes. It acts immediately in seconds and provides long-lasting protection for up to 4 weeks. Try the other products of the Biolit brand, which are in the Drugstore, Insect Protection and Repellents categories. If you are not sure that you have chosen this product, get inspired in the Repellents category.