Borax & Salt Recipe to Kill Fleas

Fleas are known for plaguing dogs and cats, causing serious itching and skin irritation. If the fleas are left unchecked in a home, they will multiply and begin biting humans. Many pesticides are effective against the flea but not always safe to use around pets and people. Stick to an all-natural flea-killing recipe such as one made from Borax and salt.

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Fleas commonly infest dogs.

Step 1

Vacuum every room infested with fleas. Place the vacuum cleaner bag in a sealed garbage bag and set in an outdoor trash can.

Step 2

Combine 1/2 lb. of refined salt and 1/2 lb. of Borax in a bucket. For larger areas, simply use equal parts of salt and Borax.

Step 3

Sprinkle a light coating of the Borax/salt mixture over the floor. The fleas will crawl over the mixture, which will pierce their exoskeletons and cause death from dehydration.

Step 4

Wait 12 hours and vacuum up the dead fleas along with the Borax/salt mixture. Immediately remove the vacuum cleaner bag and put it in a sealed garbage bag. Set the bag in an outdoor trash can.

Step 5

Repeat application two weeks later to kill any new fleas hatching from eggs that were not harmed by the Borax/salt mixture.


Alicia Bodine

Alicia Bodine

Alicia Bodine has been a professional writer for 13 years. She has produced thousands of articles for online publications such as Demand Studios, GoBankingRates and WiseGeek. Bodine is passionate about gardening, travel, education and finance. She has received awards for being a top content producer.