As you mentioned borax is a widely used and apparently effective treatment and deterrent for carpet beetles.
Carpet beetle treatment borax.
Remove and destroy any bird or insect nests from around your house.
It is required by the government to follow product label instructions.
Boric acid borax and other boron containing salts are part of the borate family of chemicals.
I don t know if borax works but there was a recent eposide of how clean is your house where this house was infested with carpet beetles and flesh eating beetles.
Other essential oils that might seem useful are clove oil and peppermint oil as these act as natural insecticides.
Boric acid which acts as a poison on insect metabolism is only hazardous to humans if ingested or inhaled in large quantities.
Before using the boric acid for carpet beetles you should clean the fabrics to remove any potential beetles.
Spray the foundation of your home and the soil two to three feet out from the house.
While carpet beetles are difficult to get rid of completely you can keep them under.
Spread boric acid on the fabric this will kill the living larvae and eliminate the chance of new infestation.
As boric acid can cause bleaching you have to be careful that you don t bleach your fabrics.
Boric acid and other residuals might be applied to cracks and crevices.
You can make an effective beetle spray depending on which essential oil you prefer.
Find it at pharmacies and sprinkle it in powder form.
You simply spread it all around the affected area and then vacuum it up after a short time.
Apply an outdoor insecticide for carpet beetles around the perimeter of your house.
Use the insecticide on any potential points of entry such as windows doorways vents or utility pipes.
Boric acid has been shown effective against some wood pests such as carpenter ants termites.
These cousins of the varied carpet beetle are slightly larger in size at around 0 3 0 5cm and have a more rounded shell their shells are light brown speckled with black and white markings.
Boric acid or borax is a recommended treatment as it kills almost any insect while being completely harmless to humans.
They had to get pest control in to get rid of them.
Carpet beetle spray made of essential oils a mixture of cedar and neem oil works well in eliminating carpet beetles from your house.
