Essential oils: You can use essential oils such as peppermint, citrus oil and tea tree oil to make an ant-repellent spray. Purchase a clean spray bottle and fill it with 1/4 cup of water, 15 drops of tea tree oil, 15 drops of peppermint oil and seven drops of the citrus oil of your choice.
Like essential oils, the smell of vinegar repels ants and also masks their scent trails. It is best used with another repellent, like citrus peels or essential oils.
Try this DIY non-toxic ant spray that kills the ants on contact.. White vinegar is the base so it's an acid, and then the essential oils are a fairly large percentage of
Deter ants without harsh, toxic chemicals by using essential oils instead.. Is there a way to keep ants out of your house naturally? Luckily, the answer is yes.