The handy pens range has been specially developed as an affordable and effective option for hobby or small scale growers.
Bluelab has developed the latest innovation for digital hand-held meters and the ultimate handy solution for measuring pH, conductivity (ppm /EC) and temperature. Measuring these three key factors of nutrient solution, soil or media will help you grow great plants.
You'll know right from the palm of your hand what adjustments are needed to your system so you can create the best nutrient environment. These clever little pens make it easy to manage the success of your crops.