Bluelab Guardian Monitor Wi-Fi: Always On. Being There Optional.

Monitor your reservoir pH, conductivity, and temperature with alerts on your phone using the Wi-Fi capable Bluelab Guardian Monitor.

Features and Benefits

  • Built-in Wi-Fi (with option to disable): Allows for remote monitoring and control with instant alarm alerts to your phone. The Wi-Fi feature is optional and can be disabled as needed.
  • High/Low Alarms: Alerts for pH, temperature, and conductivity to ensure optimal growing conditions.
  • Non-volatile Memory: Retains settings through power loss for convenience.
  • Plant-safe LEDs: Green LEDs with adjustable brightness for easy viewing.
  • Long Probe Cables: 2-meter measurement probe cables for flexible installation.
  • Mains Powered: Works with 110-240 VAC power supply with interchangeable plugs.
  • Replaceable pH Probe: Features a replaceable Bluelab pH Probe with BNC connection for durability.

How to Use

  1. Connect the Guardian Monitor Wi-Fi to your reservoir.
  2. Enable Wi-Fi capability for remote monitoring using the Edenic by Bluelab app.
  3. Set high/low alarms for pH, temperature, and conductivity ranges.
  4. Keep the device mains-powered for continuous operation.

Aqua Gardening Suggests These are Best For

The Bluelab Guardian Monitor Wi-Fi is perfect for home gardeners, hydroponic enthusiasts, and commercial growers who want to maintain optimal growing conditions in their reservoirs by closely monitoring pH, EC, and temperature levels.

Notes from Aqua Gardening

  • Regular calibration of the pH probe is essential for accurate monitoring.
  • Ensure proper maintenance and cleaning of probes with the Bluelab Probe Care Kit.
  • Stay connected to your parameters with mobile alerts in the Edenic software.


Q: Can the Bluelab Guardian Monitor Wi-Fi be used with other nutrient brands?

A: Yes, the Guardian Monitor Wi-Fi is compatible with all nutrient brands.

Q: Is calibration required for conductivity and temperature?

A: No, calibration is not required for conductivity and temperature monitoring.

Q: How long are the measurement probe cables?

A: The measurement probe cables are 2 meters (6.6 feet) long for flexible installation.

Q: Can I adjust the brightness of the LED display?

A: Yes, the LED display brightness is adjustable for user convenience.

Q: How often should I replace the pH probe?

A: It is recommended to replace the pH probe periodically for accurate monitoring.

Q: Is the Guardian Monitor Wi-Fi water-resistant?

A: Yes, the Guardian Monitor Wi-Fi is water-resistant and designed to withstand everyday growing conditions.

Still Unsure if This Product is Right for You?

  • Submit a question via the Reviews & Questions tab on this page, and our team will respond to you
  • Login to check your Aqua Gardening Member Price
  • Book a free Consult with the Aqua Gardening team here
  • Still Overwhelmed? Start your Gardening Journey with a free eBook here


Product Manual

View PDF brochure for Bluelab Guardian Monitor WiFi

(SKU: 133162)

View reservoir parameters on mobile, 24/7 pH, EC, and temperature monitoring, Backlit display for easy viewing, High/low alarms, Easy pH calibration, 2m cable lengths, Flexible mounting options, Easy-to-clean display, Bluelab Connect access

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2 Years Replacement Warranty - Store warranty, this product needs to be returned to Aqua Gardening for testing and replacement.


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