Bluelab 4.0 pH Calibration Solution 250ml (Case Of 6) #3 Mag-Amped is fantastic as a

Mag-Amped is fantastic as a foliar spray

Mites (Tetranychus sp)

but can just as easily be used in smaller operations and grow tents

clean cloth

Bluelab 4.0 pH Calibration Solution 250ml (Case Of 6) #3 Mag-Amped is fantastic as aCalibration 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