Final answer:
Hard water has drawbacks including reduced soap lathering and enhanced scale formation.
Explanation:
Two disadvantages of hard water are:
- Reduced ability to develop soapsuds: Hard water contains calcium and magnesium ions that hinder the lathering of soap, making it less effective for cleaning purposes.
- Enhanced scale formation: The minerals in hard water lead to scale buildup on hot water equipment, which can reduce its efficiency and lifespan.
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