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          Hach 145201 Total Hardness Test Kit, Model HA-71A
          • Hach 145201 Total Hardness Test Kit, Model HA-71A
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          Hach 145201 Total Hardness Test Kit, Model HA-71A

          $61.12 USD
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          Water hardness is caused almost entirely by calcium and magnesium ions
          Hardness increases soap consumption
          Hardness test kits include the inexpensive Models 5-B and 5-EP
          Country Of Origin: China

          Hach 145201 Total Hardness Test Kit, Model HA-71A

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