QA basket left a stain on my “engineered marble” bathroom counter. The counter was installed in 1974, and the manufacturer no longer exists. I tried, without success, to remove it with a ...

Water with a high mineral content can leave build-up on glass, sinks, tubs, and toilets. Hard water has a high concentration of minerals, including calcium and magnesium, that can leave stubborn ...

I have hard water from a well, and there are white-ish stains at the base of the ... A razor blade would remove mineral deposits from marble, travertine and limestone, but these stones are softer ...

In all likelihood, it's a hard water stain. Hard water stains are simply very tiny crystals of rock. This is why they can be tough to remove ... is polished or buffed marble or limestone, do ...

While using a pumice stone or stick will likely remove the worst of your toilet bowl hard water stains, it should be ... and permanently damage those made of marble, laminate, plastic, or ...

The most common element in hard water is calcium. That's usually the culprit responsible for the pesky white stains and spots you see. The good news is you can remove these spots from just about ...