The Hach 5B hardness test kit contains all equipment and reagents to perform 100 total hardness tests in gpg

Total Hardness Test Kit, Model 5-B

Product Number: 145300

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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.

Benefits

Utilizes drop count titration - a simple, economical titration method

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If applicable, please view Replacement Product above or contact Hach Customer Service for further assistance.