Total Hardness Test Kit, Model 5-B
Trust the original Hach test kit! Simple drop-count titration measures hardness as CaCO3 (1 gpg = 17.1 mg/L). Utilizes drop count titration with a range of 1-30 gpg.
-Utilizes drop count titration - a simple, economical titration method
No. of Tests: 100 Unit: Each
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