• This is USP 2
  • USP 3

    Blue Lab Calibration Solution PH 4.0 500ml

    blue lab Blue Lab Calibration Solution PH 4.0 500ml

    C$19.90

    Product description

    Calibration and conductivity standard solutions...a must in every grower’s toolbox. The Bluelab® calibration and conductivity standard solutions are essential for use with all Bluelab® products. Bluelab® solutions are manufactured specifically for Bluelab® products and are referenced to high laboratory standards to ensure your Bluelab® products last longer and maintain accuracy.

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