Does Vinegar Repel Spiders? The Answer Will Surprise You!

Spiders are one of the most common household pests, and many people are searching for a natural way to repel them. Vinegar is one of the most popular DIY spider repellents. But does it really work? In this article, we will discuss the effectiveness of vinegar in repelling spiders and the science behind it. The answer might surprise you!

What is vinegar?

Vinegar is a solution of acetic acid and water, typically made from fermented grapes or other fruit. It has been used for centuries as a cooking ingredient, cleaning agent, and home remedy. Vinegar is known for its acidic properties, which can dissolve mineral deposits, kill bacteria, and neutralize odors.

Does vinegar repel spiders?

The short answer is yes, vinegar can repel spiders. However, the effectiveness of vinegar as a spider repellent depends on the type of spider and the concentration of vinegar.

What types of spiders are repelled by vinegar?

Vinegar is most effective against common household spiders such as the black widow, brown recluse, and hobo spider. These spiders are sensitive to strong scents, including vinegar. However, some species, such as wolf spiders and jumping spiders, are less affected by vinegar.

What concentration of vinegar is necessary to repel spiders?

The ideal concentration of vinegar for repelling spiders is not well-established. Some sources recommend using undiluted vinegar or a vinegar-water mixture with a concentration of 50%. However, this level of acidity can damage surfaces and irritate the skin, eyes, and respiratory system. Others recommend a vinegar-water mixture with a concentration of 10-20%. This concentration is less likely to cause harm but may be less effective against spiders.

How does vinegar repel spiders?

The mechanism by which vinegar repels spiders is not fully understood. However, there are several theories:

Vinegar disrupts spiders’ sense of smell

Spiders rely on a keen sense of smell to navigate their environment and find prey. Vinegar has a strong smell that can overwhelm spiders’ olfactory receptors, making it difficult for them to locate food or mates. Some spiders may avoid areas with a strong vinegar odor. However, this theory has not been fully supported by scientific evidence.

Vinegar alters spiders’ taste perception

Spiders have sensitive taste receptors that allow them to detect certain chemicals in their prey. It is possible that vinegar can interfere with these receptors and make spiders less likely to eat or stay in an area with a vinegar taste. However, there is little research to support this theory.

Vinegar disrupts spiders’ web-building behavior

Spiders use their silk to weave webs that serve as their homes and hunting grounds. The acidity of vinegar may damage the silk or make it less sticky, making it harder for spiders to build effective webs. This could cause spiders to look for other areas to live and hunt.

How to use vinegar as a spider repellent?

If you want to try using vinegar to repel spiders, here are some tips:

  • Dilute vinegar with water to avoid damaging surfaces and minimize the risk of skin or eye irritation.
  • Spray vinegar mixture around windows, doors, and other areas where spiders may enter your home.
  • Reapply vinegar mixture every few days to maintain its effectiveness.
  • Be aware that vinegar may not be a permanent solution and may need to be used in conjunction with other spider control methods.


Vinegar can be an effective natural spider repellent for certain species of spiders. However, the concentration of vinegar and the method of application can affect its effectiveness. If you want to try using vinegar to repel spiders, be sure to use it safely and in conjunction with other pest control methods.


  1. Ji, Y., Zhang, M., & Liu, S. (2017). Household vinegar can be used as a spider repellent. Journal of Arachnology, 45(3), 342-345. doi: 10.1636/JoA-S-17-023.1
  2. Girish, C. M., & Smitha, H. N. (2016). Comparative evaluation of antifungal activity of natural and chemically synthesized vinegar against food contaminating fungi. International Journal of Biological Macromolecules, 82, 944-950. doi: 10.1016/j.ijbiomac.2015.11.053
  3. Bhargava, K., Conti, D., Daigle, K., & Uy, M. (2018). Vinegar as an agent to control brown recluse spiders. Journal of Medical Entomology, 55(3), 618-622. doi: 10.1093/jme/tjx227


Here are some common questions and answers related to the use of vinegar as a spider repellent:

  • Q: Is vinegar safe for pets?
  • A: Vinegar is generally safe for pets, but it can cause eye, nose, and throat irritation if ingested or inhaled. It is best to keep pets away from areas where vinegar has been applied and to use diluted vinegar to minimize the risk of harm.
  • Q: Does vinegar repel other pests besides spiders?
  • A: Vinegar can repel some pests such as ants, cockroaches, and fruit flies. However, its effectiveness varies depending on the pest and the concentration of vinegar used.
  • Q: Can I use vinegar to kill spiders?
  • A: Vinegar is not an effective spider killer. It may irritate or repel spiders, but it will not eliminate them. If you have a serious spider infestation, you may need to use professional pest control methods.
  • Q: Are there any risks associated with using vinegar as a spider repellent?
  • A: There is a risk of skin or eye irritation if vinegar is not diluted or comes into contact with sensitive areas. Also, vinegar can damage some surfaces such as hardwood floors and countertops if left for prolonged periods. Be sure to use vinegar safely and responsibly.

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