- Written by Doug Roy
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Hard water deposits and soap scum are more than unattractive: They are unsanitary! These two elements contain all the dirt and grime we don’t want on ourselves, and make a perfect breeding ground for mildew and bacteria. As water evaporates in your bathroom, the minerals that the water normally collects as it travels underground are left behind on surfaces and form a hard-to-remove and stony layer called limescale.