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Why A&B nutrients
as well as providing several additional beneficial properties
and K so that your high-yield plants flourish
Single point automatic calibration using Quick Cal standard or 1
Bag Size: 5″ X 4″ X 18″
Bluelab 4.0 pH Calibration Solution 500ml (Case Of 6) Soil Amendments Why A&B nutrientsCalibration 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