Dear Jim: We like to use our swimming pool and spa, but we want to use fewer harsh chemicals to protect our skin and the environment. Are ozone water purifiers effective and do they consume much ...

Q: I want to save on chemicals to treat my pool and spa and I thought about installing an electric ozone purifier. Is ozone safe to use and is this going to cost more to operate than using chemicals?

Q. I am considering using an activated oxygen purifier instead of chlorine for my swimming pool and spa. Chemicals are expensive and irritate my eyes. How much electricity does a purifier use? — A.G.A ...