Bluelab 4.0 pH Calibration Solution 250ml (Case Of 6) Multi Purpose via the wicking mat and

via the wicking mat and carries it to the tray bottom

That data is displayed on a graph (through the APP) and helps the user visualize the dry-down time

Factory calibrated: The COM-80 meter is calibrated with a 1413 µS solution

RHP certified

One adaptor could run up to 256 ThinkGrow LEDs

Bluelab 4.0 pH Calibration Solution 250ml (Case Of 6) Multi Purpose via the wicking mat andCalibration 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