HM Digital 20 pack of Assorted Solutions

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20 assorted powder packs (5pcs Ea. 1000ppm, ph storage, ph4, ph7)

  • 5 20mL packets pH 4 buffer
  • 5 20mL packets pH storage solution
  • 5 20mL packets pH 7 buffer
  • 5 20mL packets EC/TDS calibration solution
SKU: ASP-20 Category: