What Is Hard Water?
Hard water contains high levels of dissolved calcium and magnesium. Learn how it forms, standard hardness levels, and its effects on household plumbing.
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Plumbing
Learn about water, fixtures, household supply, and common plumbing questions.
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Learn what hard water is, how dissolved calcium and magnesium affect home plumbing and appliances, and how hardness levels are classified.
Understanding Hard Water at Home →Answers & explanations
Understanding Hard Water at Home
Learn what hard water is, how dissolved calcium and magnesium affect home plumbing and appliances, and how hardness levels are classified.
Read the answer