Bluelab Truncheon® Nutrient Meter

It is essential when growing with a hydroponic solution to know what the strength of the solution is BEFORE feeding plants and DURING growing. This is easy with the Bluelab Truncheon® Nutrient Meter! To take a reading of the solution – simply place the probe head into the solution for 1-2 minutes to reach the same temperature of the 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. Features Fully waterproof. Auto on/off function. No calibration required. Daylight readable blue LED’s. Battery operated. No buttons, switches or knobs. Provided with EC, CF, ppm 700 and ppm 500 scales.