Bluelab pH 4.0 Calibration Solution- 250ml Trellis Net & Hangers humic acid

humic acid

PB 2   (1

fulvic vitamins

minimise repotting and the risk of transplant shock

Keeping track of your soil temperature is a key aspect of growing health plants from seed or cuttings

Bluelab pH 4.0 Calibration Solution- 250ml Trellis Net & Hangers humic acidIt is recommended that pH instruments are 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