Do fire ants like coffee grounds? Consider sprinkling coffee grounds around your yard to repel ants. While coffee grounds can be used to repel ants and other pests, they are not typically effective at killing them. · its important to note that coffee grounds act primarily as a repellent rather than a pesticide; They will go around them, ignore them or just move them out of the way. Does coffee kill ants? Do coffee grounds repel ants? · based on my observations, ants don’t like coffee grounds , but they don’t create a major problem for them. We turned to the pros to find out. · coffee grounds can mess with ant trails but won’t kill them or stop the colony from coming back. · the science and expert consensus are clear: · however, coffee grounds alone do not kill ants , and adding another ingredient is necessary to make an effective ant eliminator. Coffee grounds do not kill ants , disrupt colonies, or offer any meaningful long-term protection against these persistent pests. · many gardeners and homeowners prefer not to use poisons to get rid of ants , which has people considering more natural remedies. One frequently suggested ant repellent is coffee grounds. Some ants avoid grounds while others are drawn in, so it’s important to know which ants youre dealing with. They do not kill ants but instead create a physical barrier and interfere with their sense of smell. But does it actually work? · can coffee grounds be used to kill ants and other pests?