Bluelab 4.0 pH Calibration Solution Synthetic Plant Nutrients Higher yields

Higher yields

There Is No Substitute for the Original Actively Aerated HumTea

RapidStart is compatible with soil

Deep Water Culture Bubble Buckets that are basically creating the equivalent to a day of pampering at the spa for your garden

Bluelab 4.0 pH Calibration Solution Synthetic Plant Nutrients Higher yieldspH 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