Bluelab PH Calibration Solution pH 4 Size:pH 4.0 250ml BNC connector allows use with

BNC connector allows use with all other compatible Bluelab and Autogrow products

rids the plants of brown roots

Beneficial microbial inoculants

The three included legs allow you to raise or lower a Hydro Halo to widen or reduce the water footprint on your planting medium

Additionally

Bluelab PH Calibration Solution pH 4 Size:pH 4.0 250ml BNC connector allows use withBluelab 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