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
Regarding this array: Replacement probe for Bluelab Combo, Bluelab pH Meter or Bluelab Guardian Monitor. Always take good care of the probe and do not let it get dirty, as this increases its longevity. If it still does not measure accurately, replace it. The probe has a waterproof connection and a quality BNC connection. The probe cable measures 2 meters.