old home remedy if you suffer from a blocked nose/sinuses: "inhale" sea-water through your nose to clear it all up.
https://www.pbs.org/newshour/health/what-to-know-about-anoth...
> The CDC recommends using boiled, sterile or distilled water.
Flesh eating bacteria? Yeah, no, thanks.
https://www.pbs.org/newshour/health/what-to-know-about-anoth...