There is no one-size-fits-all answer to this question, as the best pest control spray for your home will depend on the type of pests you are trying to get rid of. However, some general tips on choosing a pest control spray include finding a product that is specifically designed to kill the type of pests you are targeting, reading the ingredients list to make sure you are comfortable with all of the ingredients, and checking to see if the product has been tested and proven effective.

The most effective insecticide is DDT. It is a highly effective broad-spectrum organochlorine pesticide that was widely used to control agricultural pests and vector-borne diseases such as malaria before it was banned in many countries in the 1970s.