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Total Hardness Test Kit, Model 5-B

Product #: 145300
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Trust the original Hach test kit!
Simple drop-count titration measures hardness as grains per gallon CaCO₃ (1 gpg = 17.1 mg/L). Utilizes drop count titration with a range of 1-30 gpg.
Contains approximately 100 tests.

  • Utilizes drop count titration - a simple, economical titration method
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