Knowing the strength of the nutrient solution is essential for any grower especially those growing hydroponically as solutions either too strong or too weak will have disasterous effects. With the bluelab Truncheon it takes all guess work out of what nutrient strength you are providing your plants with in an easy to read lite up display on the side of the unit, simply place the probe into the solution you wish to be measured and the light will flash alongside a reading of either ppm, EC or CF. Comes complete in stury plastic protection tube along with batteries.
- 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