What Can Kill Spiders. In your house you can kill the spiders using baking soda turmeric and natural scented oils. But you might reconsider next time you find a spider in your space. Spiders evolved over 380 million years ago and are a vital part of the worlds ecosystem. I kill a spider I see with a shoe so I am not worried about that.
A broom with a long handle can also work to smash the spider from a reasonable distance. There are two reasons for that. You can smoosh them with a shoe suck them up with a vacuum or get a cat to exterminate them for you. Several other ingredients also kill spiders on contact. However if you have a colony of spiders in your home you wont have much luck using an insecticide against them. What household product kills spiders.
When you combine peppermint oil with a Borax solution you create a potent spider killer.
Borax is a natural mineral that can be used to kill insects like ants. You may use borax to eliminate the insects that the spiders feed on. In the case of baking soda sprinkling a small volume of this soda onto your walls windows and carpets or even onto the webs helps in eradicating the spiders. Use a good-quality surface spray such as the Mortein Kill Protect Crawling Insect Surface Spray so you can kill spiders in the house before they become a problem. It is aggressive and its venom especially coming from a male can be deadly. Several other ingredients also kill spiders on contact.