How Do We Know What is Healthy Water? - Salt River Project
How Do We Know What is Healthy Water? - Salt River Project
How Do We Know What is Healthy Water? - Salt River Project
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• Chlorine <strong>is</strong> toxic to f<strong>is</strong>h and aquatic organ<strong>is</strong>ms. In high concentrations it can be toxic<br />
to humans also. <strong>How</strong>ever, only a small amount <strong>is</strong> needed to purify (d<strong>is</strong>infect)<br />
drinking water and most people can’t detect the presence of chlorine in the water.<br />
Hardness:<br />
• Hardness <strong>is</strong> defined as the amount of calcium and magnesium present in water.<br />
The ability of water to remove soap <strong>is</strong> related to the hardness of the water. It <strong>is</strong><br />
very difficult to get soap to lather in hard water and the white film you find on<br />
your shower door or inside your tea kettle <strong>is</strong> usually caused by hard water.
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