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As the main nutrient reservoir level drops
rids the plants of brown roots
BNC connector allows use with all other compatible Bluelab and Autogrow products
Compatible with coco coir
it is no longer suitable for sustaining plant life
Bluelab PH Calibration Solution pH 4 Size:pH 4.0 250ml As the main nutrient reservoirBluelab 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
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