BlueLab Calibration Solution - 27.7CF/EC2.77 - 500mL Dilution Solutions That gives true plant-controlled feeding

That gives true plant-controlled feeding with less over- or under-watering

or the canopy top as the grow changes

Improves Chlorophyll Synthesis: Magnesium is essential for the formation of chlorophyll

This plant cloning system includes everything along with a free bonus foldable humidity dome preventing leaf transpiration and initial transplant shock particularly in dry growing environments

4x ¼" tee connector

BlueLab Calibration Solution - 27.7CF/EC2.77 - 500mL Dilution Solutions That gives true plant-controlled feedingCalibration solution for Truncheon, Guardian (conductivity), and ppm EC pen. 2. 77 EC = 1350 TDS ppm (500 scale) = 1890 ppm (700 ppm) MSDS