Does Baking Soda Kill Carpet Beetles?

Baking soda is a commonly used household product known for its various cleaning and deodorizing properties. Many people wonder if it is effective in killing carpet beetles. However, it is important to note that while baking soda has some benefits, it is not a reliable method for eradicating carpet beetles.

Carpet beetles are small creatures that feed on natural fibers like wool, carpets, and upholstery. While these pests can’t bite, they can still make you sick. Their larvae can cause damage to fabrics and even pose a health risk for those with allergies. While baking soda can help absorb odors and lift dirt from carpets, it is not specifically designed to kill carpet beetles or their larvae.

Instead, a more effective approach to dealing with carpet beetles involves a combination of strategies. Vacuuming regularly, especially in areas where beetles are spotted, is crucial to remove adults, larvae, and eggs. Additionally, steam cleaning your carpets and furniture can help eliminate any beetles or eggs that may be hiding deep within the fibers.

To prevent reinfestation, it is also important to keep your household clean and clutter-free. Regularly wash and store clothing and fabrics properly, vacuum furniture, and seal any cracks or openings that beetles could enter through.

While baking soda can be used as a part of your overall strategy against carpet beetles, it should not be solely relied upon for complete eradication. Consulting with a professional pest control service may be the best course of action for serious infestations.

Understanding Carpet Beetles

Life cycle of carpet beetles

Carpet beetles go through four stages in their life cycle:

  1. Eggs: Female carpet beetles lay eggs on suitable food sources, such as carpets and fabrics.
  2. Larvae: Upon hatching, larvae feed on various materials, causing the most damage during this stage.
  3. Pupae: After the larvae have finished feeding, they enter the pupal stage, during which they transform into adult carpet beetles.
  4. Adults: Adult carpet beetles are typically harmless, feeding primarily on pollen and nectar. They lay eggs to continue the life cycle.

Identifying carpet beetles

There are several common species of carpet beetles:

  • Varied carpet beetle (Anthrenus verbasci)
  • Furniture carpet beetle (Anthrenus flavipes)
  • Black carpet beetle (Attagenus unicolor)

Carpet beetles are small, oval-shaped insects with six legs and a set of antennae. The larvae are typically brownish or reddish-brown, covered in bristle-like hairs.

Damage caused by carpet beetles

Carpet beetles can cause various types of damage:

  • To carpets and other fabrics: Larvae feed on natural fibers like wool, silk, feathers, and fur, causing holes and damage to textiles.
  • To stored food products: Carpet beetle larvae can infest stored food products like grains, nuts, and pet food.
  • To insect collections: Adult carpet beetles are attracted to dead insects and can damage valuable specimens in insect collections.

Baking Soda: A Natural Remedy?

Properties of baking soda

Baking soda, also known as sodium bicarbonate, is a commonly used household item with several properties that may make it useful in controlling carpet beetles:

  • Chemical composition: Baking soda is a weak alkaline compound that can help neutralize acidic odors.
  • Abrasiveness: The fine, granular texture of baking soda can cause mechanical damage to insects’ exoskeletons.
  • Deodorizing capabilities: Baking soda can absorb and neutralize odors, potentially masking the scent of food sources for carpet beetles.

How baking soda affects insects

Baking soda can affect insects in two primary ways:

  1. Ingestion: If ingested, baking soda can disrupt insects’ digestive systems, leading to their eventual death.
  2. Mechanical damage: The abrasiveness of baking soda can cause damage to insects’ exoskeletons, leading to dehydration and death.

Using Baking Soda to Control Carpet Beetles

Methods of application

There are several ways to apply baking soda to affected areas:

  1. Dry powder sprinkling: Sprinkle baking soda directly onto the affected area.
  2. Baking soda paste: Mix baking soda with water to form a paste and apply it to infested surfaces.
  3. Baking soda and vinegar solution: Combine equal parts of baking soda and white vinegar, then spray or apply the solution onto affected areas.

Steps for effective use

Follow these steps to use baking soda effectively against carpet beetles:

  1. Vacuuming and cleaning: Thoroughly vacuum and clean the infested area to remove eggs, larvae, and adult carpet beetles.
  2. Application of baking soda: Apply the chosen baking soda method to the affected area.
  1. Removal of baking soda: Allow the baking soda to sit for several hours or overnight, then vacuum or wipe the area clean to remove dead carpet beetles and residual baking soda.
  2. Reapplication and frequency: Repeat the process every few days or as needed until the infestation is under control.

Precautions and safety considerations

When using baking soda to control carpet beetles, consider these safety precautions:

  • Use of gloves and masks: Wear gloves and a mask when handling baking soda to avoid skin irritation or inhalation.
  • Protecting children and pets: Keep children and pets away from treated areas until the baking soda has been removed.
  • Ensuring proper ventilation: Open windows or use fans to maintain good airflow in the treated area to prevent respiratory irritation.

Effectiveness of Baking Soda against Carpet Beetles

Studies and research

There is limited scientific research on the direct effectiveness of baking soda against carpet beetles. However, anecdotal evidence suggests that it may provide some level of control when used as part of a comprehensive approach.

Pros and cons

Using baking soda for carpet beetle control has its advantages and disadvantages:

  • Advantages:
    • Cost-effective: Baking soda is an inexpensive and widely available household item.
    • Non-toxic: Baking soda is generally safe for humans and pets, making it a more environmentally friendly option than chemical pesticides.
    • Easily available: Baking soda can be found in most grocery stores and online.
  • Disadvantages:
    • Limited effectiveness against established infestations: Baking soda may not be potent enough to fully eradicate large or persistent infestations.
    • Need for repeated applications: Baking soda treatments may need to be applied multiple times to achieve satisfactory results.
    • Possible damage to certain fabrics: Baking soda’s abrasiveness can potentially harm delicate fabrics or materials.

Additional Tips for Controlling Carpet Beetles

Preventative measures

To prevent carpet beetle infestations, adopt these practices:

  • Regular cleaning and vacuuming: Frequently vacuum carpets, rugs, and upholstered furniture to remove eggs and larvae.
  • Sealing cracks and crevices: Seal any openings in your home’s exterior and interior to prevent carpet beetles from entering.
  • Proper storage of food and fabrics: Store food in airtight containers and keep fabrics in sealed bags or containers to prevent access by carpet beetles.

Other natural remedies

Consider these additional natural remedies for controlling carpet beetles:

  • Diatomaceous earth: This natural, abrasive powder can be applied to infested areas to damage the exoskeletons of carpet beetles and dehydrate them.
  • Boric acid: A low-toxicity pesticide that can be used to kill carpet beetles by damaging their digestive systems.
  • Essential oils: Some essential oils, like clove, eucalyptus, and lavender, can help repel carpet beetles when applied to affected areas.

Professional pest control services

In cases of severe infestations or when DIY methods fail, consider hiring a professional pest control service to effectively eradicate carpet beetles from your home.

Frequently Asked Questions

Let’s answer the most frequently asked questions about baking soda and carpet beetles.

1. How to get rid of carpet beetles in your home for good?

To effectively eliminate carpet beetles from your home, follow these steps. First, thoroughly vacuum all areas, paying close attention to carpets, rugs, upholstery, and any crevices. Dispose of the vacuum bag or empty the canister outside. Next, steam clean or hot wash all items that can be laundered, including curtains, linens, and clothing. For insecticide treatment, select a product labeled for carpet beetles and apply it to affected areas and potential hiding spots. Additionally, seal off any entry points to prevent future infestations. Regularly clean and vacuum your home to maintain cleanliness and minimize the development of carpet beetles.

2. What do carpet beetles eat?

Carpet beetles are household pests that feed on a variety of organic materials. They consume natural fabrics like wool, silk, fur, and feathers, making them a common nuisance in homes. Additionally, carpet beetles can also feed on synthetic materials, such as polyester and rayon, particularly when blended with natural fibers. These beetles are attracted to food sources like crumbs, spilled cereals, and dead insects, so they may be found in pantry areas or near windows. Proper sanitation, regular vacuuming, and storing clothing and fabrics appropriately can help prevent carpet beetle infestations and protect valuable items from their destructive feeding habits.

3. Where do carpet beetles hide?

Carpet beetles are small pests that can be found hiding in various locations within a home. These insects are often found in closets, underneath furniture, in storage boxes, and even in air ducts. They tend to seek out dark and undisturbed environments, making these areas perfect hiding spots for them. Additionally, carpet beetles can hide amongst clothing, carpets, and upholstery, as they feed on natural fibers like wool and silk. Therefore, it is essential to maintain cleanliness and regularly inspect these areas to prevent and eliminate carpet beetle infestations, minimizing any potential damage they may cause.

4. Which is better at killing carpet beetles boric acid or diatomaceous earth?

Both boric acid and diatomaceous earth are effective in killing carpet beetles, but their methods differ. Boric acid works by dehydrating and damaging the exoskeleton of insects, effectively killing them. It can be applied as a powder or mixed with water and sprayed onto infested areas. On the other hand, diatomaceous earth is a natural sedimentary rock that also dehydrates insects but works by physically damaging their exoskeleton. It can be sprinkled in areas where carpet beetles are present. Both substances have their advantages, but it ultimately depends on personal preference and the severity of the infestation.

5. Does washing clothes kill carpet beetles?

No, washing clothes alone typically does not kill carpet beetles. While carpet beetles can infest and damage fabrics, washing them can help to remove any beetles, larvae, or eggs that may be present. However, carpet beetles are resilient pests and may survive the washing process. To effectively eliminate carpet beetles, it is important to take additional steps such as thorough vacuuming, steam cleaning furniture and carpets, sealing any entry points, and using appropriate insecticides. Professional pest control may be necessary for severe infestations. Regular cleaning practices, combined with preventive measures, can help in controlling and preventing carpet beetle infestations.


While baking soda may provide some level of control against carpet beetles, its effectiveness may be limited in cases of established infestations. A comprehensive approach, including preventative measures, additional natural remedies, and professional assistance when needed, is essential for successful carpet beetle control.


  • Nathan Collins

    Having spent years working in the landscaping industry, Nathan Collins has cultivated a wealth of knowledge about the natural world. He is committed to helping others appreciate the beauty in their backyards, whether it's through identifying rare rocks and minerals or crafting the perfect landscape.

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