Bluelab 7.0 pH Calibration Solution, 20 ml Sachets, case of 25 featured Worm castings

Worm castings

the complete control system for smaller grows

stem and stalk structure

This fully balanced and chelated base contains the highest level of minerals possible while still allowing for adjustments based on strain or stage specific plant needs

Bluelab 7.0 pH Calibration Solution, 20 ml Sachets, case of 25 featured Worm castingsCalibration 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