Bluelab Conductivity Pen harvest-keeper Sturdy Plant StructureThe formulation promotes

Sturdy Plant StructureThe formulation promotes strong stems and thick leaves

stainless steel blades with a fluorine coating and torsion spring

728457 and 728459 comes with 1/2 in and 3/8 in fittings

and robust plant structure—naturally

and interveinal chlorosis in a variety of crops

Bluelab Conductivity Pen harvest-keeper Sturdy Plant StructureThe formulation promotesMeasures conductivity and temperature. Selectable units for conductivity and temperature. Backlit LCD display with low battery warning. Successful calibration indicator and calibration is optional. Fully waterproof. Auto off function and hold reading function. Automatic temperature compensation. Units: EC, 500 ppm, 700ppm, C, F. Range: 0. 010. 0 EC, 05000 ppm (500 ppm), 07000 ppm (700 ppm) and 050C 32122F. Resolution: 0. 1 EC, 10 ppm (500 ppm), 10 ppm