HANNA HI5036-023 Quick Calibration Solution for GroLine (for pH and EC meter) (500mL)

Calibration solution for Gro line pH and EC/TDS meters

- pH calibration buffer value of pH 6.86

- EC calibration standard value of 5,000 μS/cm (5.00 mS/cm)

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  • Easy change and return
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  • Favorable payment