Bluelab 4.0 pH Calibration Solution 250ml (Case Of 6) #3 4000K: optimal for use at

4000K: optimal for use at the end of the vegetative stage and through the flowering stage when plants are producing buds

Mites (Tetranychus sp)

Vegetative spectrum for beginning stages of plant growth

60% Relative Humidity)

They are injection-molded containers manufactured with high-grade polypropylene

Bluelab 4.0 pH Calibration Solution 250ml (Case Of 6) #3 4000K: optimal for use atCalibration 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