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HI758-11 Calcium Standards for HI758 Hanna Checker - Marine Water

SKU: 208637

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  • Quick Overview
Easily calibrate and test proper functionality of your Hanna Checker HI758 Calcium for marine water (saltwater).
  • Contains Standard A and Standard B
  • Follow instructions in packaging
  • Acceptable results must be between 380 and 420 ppm at 25°C