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Hardness Test Kit ( Small Kit)


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Hardness (Total) Test Kit, Model 5-B, Drop Count Titration, 1-30 gpg, 100 tests

  • Trust the original Hach test kit!
  • Simple drop-count titration measures hardness as CaCO3 (1 gpg = 17.1 mg/L)

About water hardness:

Water hardness is caused almost entirely by calcium and magnesium ions. Other di- and trivalent metals have a similar effect, but usually are not present in high enough concentration in potable waters to cause problems. Hardness increases soap consumption in laundries and causes scale in boilers.

Method / Chemistry   /   Range    /   Smallest Increment  /  Approx. # of Tests   /   Case Style

Drop count titration   1-30 gpg         1 gpg                      100                    2.75×2.75×5 in
EDTA-bulk powder

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