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

Using HangUps

To meet all of your grow demands

Because of their flexibility

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