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HI701-11 Free Chlorine Standards for HI701 Hanna Checker - Fresh Water

SKU: 208596

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  • Quick Overview
Easily calibrate and test proper functionality of your Hanna Checker HI701 Free Chlorine for fresh water.
  • Contains Standard A and Standard B
  • Follow instructions in packaging
  • Acceptable results must be between 0.95 and 1.05 ppm at 25°C