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.

Hard water will leave your dishes looking foggy and dirty no matter how good your dish soap and rinsing agent is. Adding a little citric acid to your dishwasher loads can help. It’s frustrating to ...

Over the past month or so, I’ve been on a tear to discover all I can about citric acid. What I’ve learned, tested and tried is nothing short of amazing. So get ready as I lay out the case for adding ...