Bluelab 4.0 pH Calibration Solution 250ml (Case Of 6) Multi Purpose RHP certified

RHP certified

Power Si reduces nutrient salt build-up and dehydration of your crops

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

One adaptor could run up to 256 ThinkGrow LEDs

Bluelab 4.0 pH Calibration Solution 250ml (Case Of 6) Multi Purpose RHP certifiedCalibration 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