But, um, what exactly is it?
According toThe Mayo Clinic, neti pots are used to rid the nasal cavity of mucus and other debris.
But are neti pots safe?

The short answer: When used properly, yes.
We’ll get back to why that is so key in a moment.
Be sure to breathe through your mouth.

Then, pour the solution into the nostril, allowing it to drain through the lower nostril.
Move onto the other side.
Always properly clean the machine after every use (viaFDA).
Also, wash your hand thoroughly before use.
She had contracted a rare, brain-eating amoebic infection, possibly from tap water.
It’s all about proper use.
The FDA notes improper use of neti pots can increase a person’s risk of infection.