The best selling hydroponics cF meter in the world. Why do growers prefer the cF Truncheon? It’s easy to use, easy to read, extremely accurate… and best of all it’s reliable. The Bluelab Truncheon will reliably measure nutrient strength for years, which is a lot more than can be said for most of the competition! Fully waterproof and featuring an automatic on/off function, the Bluelab cF truncheon has no external switches or knobs and is fully factory calibrated so you will never have to recalibrate it over time. We think every grower should invest in a Bluelab truncheon as it really is worth it’s weight in gold when it comes to giving your plants the right strength nutrients.
- Fully waterproof
- Auto on/off function
- No calibration required
- Daylight readable blue LED’s
- Battery operated – 3 x AA batteries included
- No buttons, switches or knobs
- Provided with EC, CF, ppm 700 and ppm 500 scales