8oz. pH Calibration Buffer Solution Kit (pH 4.00 & 7.00), Plus 4oz. 3M KCL Storage Solution for pH/ORP Electrodes




  • High accuracy (±0.01 pH): standardized against NIST Certified pH references within 0.01 pH at 25˚c (77˚f). ideal for the calibration of all kinds of pH meters
  • Color-coded, double-sealed, 1-Year shelf life
  • Expiration Date and temperature/pH reference chart provided for reference
  • The 3M KCL storage solution helps keep the sensitivity and accuracy of your pH probes
  • Non-hazardous product (MSDS is downloadable)