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3 Items

  1. Solid-State FDOM Calibration Standard
    Aqua TROLL FDOM Solid State RFU Calibrator
    Stable and repeatable solid state standard for RFU calibration and checks on the Aqua TROLL FDOM sensor.
    $565.00
  2. Single Nitrate Standard Solution 14 ppm
    Nitrate Calibration Solution
    $80.00
  3. pH/ORP Calibration Kit, Full Range pH plus ORP
    pH/ORP Calibration Kit, Full Range pH plus ORP
    pH/ORP Calibration Kit – Includes 1 Liter each: 4, 7, 10 pH, Zobell’s Solution
    $130.00
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