Description BLUELAB PH & CONDUCTIVITY STARTER PACK The ultimate solution for measuring pH, conductivity and temperature on the go Your toolbox contains: Bluelab pH Pen, Bluelab Conductivity Pen, Bluelab Grow Book, Bluelab Probe Care Kit – pH and Conductivity Measure pH, conductivity and temperature in solutions Care, clean and calibrate your products with the Bluelab Probe Care Kit Bluelab pH Pen is easy and fast to calibrate for ongoing accuracy Fully waterproof pens, not [...]