Hard Water


	Hard Water
	Advantages Supplies calcium to the human body Better taste Fewer heart attacks in areas where there is hard water	Disadvantages Uses more soap to lather - expensive Leaves limescale which causes blockages and makes machines less efficient Leaves a messy scum
	Evaluation Hard Water is water that does not lather easily using soap. Dissolved calcium and magnesium compounds in the water cause its hardness.

Hard Water is water that does not lather easily using soap. Dissolved calcium and magnesium compounds in the water cause its hardness.

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