You don’t need a lab to be a water wizard. Use your nose. Use your eyes. Use a ten-dollar gadget from the internet.
Good water is clear, tasteless, and odorless. It’s boring—and that’s perfect. Boring water is safe water.
So go ahead. Test your tap. Your body will thank you. And you’ll have a killer party trick involving a jar and a 24-hour wait. Cheers to curiosity.