Bluelab 7.0 pH Calibration Solution, 20 ml Sachets, case of 25 featured this formulation is ideal for

this formulation is ideal for growers looking for a general purpose medium which creates a well balance growing environment

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Bluelab 7.0 pH Calibration Solution, 20 ml Sachets, case of 25 featured this formulation is ideal forCalibration 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 for the calibration of pH and testing the cleanliness of the Bluelab Conductivity Temperature probe. Bluelab solutions are manufactured specifically for Bluelab products and are referenced to high laboratory standards to ensure your Bluelab products last longer and