Bluelab 4.0 pH Calibration Solution 250ml (Case Of 6) Multi Purpose One adaptor could run up

One adaptor could run up to 256 ThinkGrow LEDs

The micro computer with digital LCD display allows for easy operation

much like watering

powder coated stabilizing foot and mounting screws

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

Bluelab 4.0 pH Calibration Solution 250ml (Case Of 6) Multi Purpose One adaptor could run upCalibration 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