Bluelab 4.0 pH Calibration Solution Synthetic Plant Nutrients BioWeed® encourages prolific root and

BioWeed® encourages prolific root and foliage growth as well as larger flowers and fruits

The Second Part Of Humboldt Nutrients Signature 3-Part Series Formulated To Boost Blooms & Increase Yield

There Is No Substitute for the Original Actively Aerated HumTea

Higher yields

plants need more to thrive than the nitrogen

Bluelab 4.0 pH Calibration Solution Synthetic Plant Nutrients BioWeed® encourages prolific root andpH instruments must be cleaned and calibrated at least monthly to provide you with the most accurate reading. pH measuring equipment is calibrated to pH 7. 0 first (buffer) then to pH 4. 0 (slope). Essential for use with all Bluelab pH products for the calibration of Bluelab pH Probes. To ensure solutions remain accurate: Avoid cross contamination Decanter into a smaller plastic cup Discard sample after use Store in a cool dark place Store with lid