Bluelab Guardian Monitor

Sale price$485.00

Pickup available at 22 Hamersley Drive

Usually ready in 24 hours


The Bluelab Guardian is a constant indicator of EC (or PPM, TDS, CF), pH and temperature. The Guardian Monitor is mains powered, is mounted to the wall and the probes are simply placed into the reservoir.

The Guardian monitors your crops 24 hours a day, and has the ability to set high and low alarms to alert you when adjustments may be required.


  • Plant-safe green LEDs

  • Large easy to read displays

  • No calibration required for conductivity and temperature

  • Simple push button pH calibration

  • Selectable values for conductivity and temperature

  • Flashing high and low alarms

  • Greater tolerance to RF / electronic interference provided

  • Water resistant design

  • International power supply included

  • Replaceable double junction pH probe included

  • Adjustable display brightness

  • Non-volatile memory (setting retained when power lost)

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