Bluelab 7.0 pH Calibration Solution, 20 ml Sachets, case of 25 complete-systems for best results

for best results

the size we claim is in fact the actual size

and better color rendering

international power supply

Steel flange for filters and ducting

Bluelab 7.0 pH Calibration Solution, 20 ml Sachets, case of 25 complete-systems for best resultsCalibration 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