We may earn a commission from links on this page. Within a few seconds of walking into the bathroom of my new apartment, I knew I'd be living in one of the majority of American homes with hard water.

If there’s one subject that shows up in my inbox more often than any other, it has to be rust. Ugly, orange-ish stains on tubs, showers, toilets, washing machines, sinks and even stainless steel. One ...

I’ll admit it. I’m not the best housekeeper and I’m frazzled. My tile shower floor is filthy with hard water stains. I don’t like using harsh chemicals for a number of reasons, and because the stains ...