Hard-water stains can make a toilet look dirty even after a thorough scrub. But one cleaner says a simple citric acid soak turned stubborn mineral buildup into something that nearly removed itself.

Citric acid, also known as “sour salt,” is a colorless, weak, organic acid. I know, it sounds like a poisonous substance, but it’s a low-level acid that’s both safe and strong enough to break down ...

"Don't use fabric softener." ...

"Genuinely can't tell if it's worth trying." ...

Cleaning vinegar and cooking vinegar are similar, but not always interchangeable. Here are the differences between cleaning vinegar vs. cooking vinegar and how to safely use them.

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 ...

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 ...