Bluelab PH Calibration Solution pH 4 Size:pH 4.0 250ml Coco Coir is an organic

Coco Coir is an organic plant substrate which has fast become the preferred growing media for hydroponic systems

Advanced Nutrients Voodoo Juice is 100% organic

The Cultiv8 Mechanical Timer is a dependable and simple tool for monitoring and regulating your hydroponics equipment

Because of their flexibility

Prevent Hermaphrodite plants

Bluelab PH Calibration Solution pH 4 Size:pH 4.0 250ml Coco Coir is an organicBluelab PH Calibration Solution pH 4 250mL 500mL pH 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