Bluelab pH 4.0 Calibration Solution- 250ml Emerald Harvest range healthy root expansion and reduced

healthy root expansion and reduced transplant stress when plants are moved between growing environments

Herbi’s All Natural is stuffed with a wide variety of natural ingredients to support the development of a diverse ecosystem in your soil

and backed by a five-year warranty

We recommend a target water temperature of 64-68°F / 18-20°C

Use in conjunction with a complete cloning hormone as well

Bluelab pH 4.0 Calibration Solution- 250ml Emerald Harvest range healthy root expansion and reducedIt 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