Bluelab 4.0 Calibration Solution Case of 6 environmental-controllers The meter is fully cosine

The meter is fully cosine corrected for the angular incidence of light

and detachable rose for finer shower

Ballast features:

This is a great blend for plants experiencing periods of accelerated growth

Bluelab 4.0 Calibration Solution Case of 6 environmental-controllers The meter is fully cosineCalibration and conductivity standard solutions a must in every grower's toolbox. The Bluelab calibration and conductivity standard solutions are essential for use with all Bluelab products for the calibration of pH and testing the cleanliness of the Bluelab Conductivity Temperature probe. Bluelab solutions are manufactured specifically for Bluelab products and are referenced to high laboratory standards to ensure your Bluelab products last longer and