For many indoor and outdoor growers, the question of whether to reuse soil after harvest is both economic and envir...
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Description
The Bluelab Truncheon Meter V2 does not need to be calibrated. It starts working immediately once immersed in the solution. The LEDs will immediately show the status of your irrigation. It operates on 3xAA batteries, which are included. Automatic shut-off and turn-on, the measuring device has no buttons. Supplied with EC, CF, ppm 700, and ppm 500 scales.