Bluelab One Pen – Complete Feeding, No Guesswork
Our thoughts
3-in-1 functionality: Measures conductivity in EC, CF, PPM 500 (TDS) or PPM 700. Simple, reliable feeding that delivers results.
The Bluelab One Pen is an all-in-one portable meter designed to measure pH, conductivity (EC), and temperature, making it an essential tool for growers looking to monitor their plant's environment.