Bluelab 4.0 Calibration Solution Case of 6 Options:Bluelab pH 4.0 Calibration Solution 250 ml, case of 6 Direct soil measurement is facilitated

Direct soil measurement is facilitated by the stainless steel probe

Weight: 229 lbs

All Nudo Products have a 60 to 90 day lead time

kelp and ocean fish

water-soluble fertilizer for lush

Bluelab 4.0 Calibration Solution Case of 6 Options:Bluelab pH 4.0 Calibration Solution 250 ml, case of 6 Direct soil measurement is facilitatedCalibration 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