Bluelab Conductivity Pen Small Blue Flowers Note: Fertilizer for trees

Note: Fertilizer for trees

it is draped in a lush curtain of narrow

Successful calibration indicator

Never pot them into regular potting soil

Suitable for hydroponic

Bluelab Conductivity Pen Small Blue Flowers Note: Fertilizer for treesMeasures 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