The HI-9828-25 is a 500 mL bottle of quick calibration solution to be used with the HI-9828 and HI-9829 series of multiparameter meter sensors.
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pH Calibration Buffer Solution traceable to NIST, Red, pH 4.0
pH Calibration Buffer Solution traceable to NIST, Yellow, pH 7.0
General purpose cleaning solution sachets, Hanna