Bluelab pH 7.0 Calibration Solution - 250ml Starter Kit Growers aiming for strong root

Growers aiming for strong root development and higher yields

Vectobac is a biological insecticide containing Bacillus thuringiensissubspecies israelensis for the control of mosquito larvae and sandfly larvae in a safe

1 x 6mm top hat grommet

Gro Storm contains a blend of kelp

13mm pipe = Outside Diameter 16mm/Inside Diameter 13mm

Bluelab pH 7.0 Calibration Solution - 250ml Starter Kit Growers aiming for strong rootIt 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