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60 view(s) How can I measure temporary and permanent water hardness?
Hard water is water with high levels of dissolved minerals, and usually occurs in areas where limestone and chalk are common. These minerals can be divided into two types, and so hardness is often considered in two categories - permanent and temporary water hardness. [caption id="attachment_7029" align="aligncenter" width="350"] Hard water causes deposits on heating elements, but can also...
