Bluelab 4.0 pH Calibration Solution 500ml (Case Of 6) HGC800422 An integrated toolbox contains all

An integrated toolbox contains all the tools

Can be used in hydroponics as well as soil

RHP certified

Input Voltage: 120 - 277V

Bluelab 4.0 pH Calibration Solution 500ml (Case Of 6) HGC800422 An integrated toolbox contains allCalibration 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