Bluelab® pH 7.0 Calibration Solution (500 ml) Replacement Air Filters humic acid

humic acid

1 Quart Bottle

Optional power cord for Gavita fixtures 277 volts and higher

offering adaptability

flexible to –25°F

Bluelab® pH 7.0 Calibration Solution (500 ml) Replacement Air Filters humic acidBluelab pH 7. 0 Calibration Solution (500 ml) 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