Question: what household cleaning products kill spiders?
Answer: Vinegar- Although harmless to humans, the acetic acid in vinegar is highly volatile to spiders. Mix a solution of 1 part vinegar and 1 part water. Spray on spider. Natural Scented Oils- Oils like eucalyptus oil, peppermint oil, and rose oil not only effectively kill spiders and bugs, they prevent them from returning!