hard water vs soft water

Lab Hard Water Vs Soft Water Is There a Difference? Background-Water is a universal solvent. Natural water contains minerals necessary for all plants, animals, and people. The content of minerals decides the water quality and hardness. The degree of Hardness is measured in PPM calcium.(www.ci.long) Soft water contains less than160 PPM, slightly hard water contains 160-320 PPM and very hard water is above 460-PPM. The advantages to hard water- healthy to drink …

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