Have you ever noticed some hard water stains on your vehicle’s auto glass? You’re probably wondering either A) Where did those come from? or B) How do I get rid of them? Or maybe even both. These hard ...

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Your household glass cleaner won't cut it for hard water stains. Douglas Rissing/Getty Images In the scope of housework, hard water stains are high on the list of public enemies in my home. Because we ...