Q. We spend a lot on swimming pool chemicals. The chlorine irritates my eyes and makes my skin dry. How do no-chemical ozone pool and spa purifiers work, and are they safe? — Ed K. A. Ozone is ...

Which ozone generator is best? Every household has a fairly distinct smell, and if you don’t love the scent of your home, you can kill the bacteria that causes the odor by purchasing and using an ...