It is essential when growing with a hydroponic solution to KNOW what the strength of the solution is before feeding your plants AND while they are growing.
This is easy if you use the Bluelab Truncheon® Nutrient Meter! To take a reading of your solution - simply place the probe head into the solution for 1-2 minutes to reach the same temperature of your nutrient. The reading is indicated by the flashing lights. Calibration of the Meter is not required.
Meter length: 40.7cm or 16 1/32 in.
- Fully waterproof
- Auto on/off function
- Daylight readable blue LED's
- Battery operated
- No buttons, switches or knobs
- Provided with EC, CF, ppm 700 and ppm 500 scales
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