So when one Twitter user posted what looked like an amazing cleaning hack, we had to investigate.

In the middle of telling a heartwarming tale about a puppy who wandered into his apartment (seriously!

People immediately commented on this ingenious strategybut does it actually work?

A happy dog on a yellow background

We asked some pet and cleaning experts to find out.

For example, some are designed to kill fleas, while others simply repel them.

Also, Harstein says that the collars need to be replaced often, and are not 100 percent effective.

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Not only that, but fleas dont all hatch at once, Harstein explains.

Gilles Ventejol, the founder ofAnimal Patientconsiders this flea-collar-in-the-vacuum trick is a myth.

He explains that there are three types of fleasthe adults, the eggs and the larvaeand each are different.

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The eggs, on the other hand, stay where they fall and dont move.

And then there are the larvae, which can move and crawl on the floor.

So, chances are that many of the larvae wont be sucked up.

the adultsnot the larvae, he says.

Anti-flea medicines are usually much more helpful than treatments applied externally, Foster says.

Because these medicines usually cause your dog to produce an odor that keeps fleas and other bugs away.