Now, the water goes through a filter. Not a coffee filter—a giant bed of sand and gravel. Imagine crawling through a sandbox, but the sand is clean and it’s catching all the microscopic crud. Who knew sand could be so useful? This step snags over 99% of the remaining nasties.
The water is clear now. It looks beautiful. But it’s still technically raw. It needs the final boss battle.
The Disinfection Finale
Here comes the star of the show: chlorine. Or sometimes, ozone gas or UV light. This is the nuclear option for germs. It zaps bacteria, viruses, and parasites so hard they don’t even leave a forwarding address.
Filtration Process
And just for safety, they add a tiny bit of fluoride. That’s not for purification—that’s for your teeth. So when you brush your teeth with tap water, you’re basically giving your enamel a tiny bodyguard. Fancy, right?
