Bluelab 7.0 pH Calibration Solution, 20 ml Sachets, case of 25 lighting_accessories making it arguably the thinnest

making it arguably the thinnest scale on the planet

3% Calcium and 1% Magnesium in a highly available form

The high strength-to-weight ratio of titanium means that it offers serious cutting capacity in a lightweight package

• Foliar Spray Grade

Show Output as W or %

Bluelab 7.0 pH Calibration Solution, 20 ml Sachets, case of 25 lighting_accessories making it arguably the thinnestCalibration 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