HM DIGITAL CALIBRATION SOL TDS 1000 PPM 90ML

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    For optimal performance, re-calibrate your meters periodically or if testing TDS or conductivity levels in wide or different ranges.

    Main Features:
    • NaCl calibration solution, available in 342 ppm or 1000 ppm
    • Comes in lightweight HDPE plastic bottles
    • Sealed with a coated foam liner

    SKU: C1000