Can a saltwater pool generate enough sanitizer?

yes, germs can live on a public swimming pool. why? because a public swimming pool is used by the public and people have germs on their body and when they get in the swimming pool, the germs on their body will be transfered to the water on the pool, and germs will spread in the water and people will also get germs. after having a swimming on a public swimming pool, you need to take an immediate bath so that germs will be killed.