Bluelab Guardian Connect


Bulk/wholesale pricing available for this product:
call us or email us for volume quote.

Stay connected to your crop 24/7. Monitor, data log, and remotely view pH, conductivity and temperature readings.

The Bluelab Guardian Monitor Connect is not only a constant indicator of the desired levels of pH, conductivity, and temperature of your nutrient solution, it also data logs these critical parameters to your computer for you.

It does not stop there. You can access the data via the cloud from a remote mobile device or computer to check these critical parameters are hitting the mark for crop success.

Just one Bluelab Connect Stick is required to receive wireless data from one or more Guardian Monitor Connects. For remote or cloud access, the computer you're already data logging to will need permanent internet access.


  • ◉ Data logging capability (ONE Bluelab Connect Stick is required, sold separately)
  • ◉ Free Bluelab Connect Software available online
  • ◉View data and current status remotely via Google Docs (A computer with permanent internet access is 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
  • ◉ Replaceable double junction pH probe
  • ◉ Adjustable display brightness
  • ◉ Non-volatile memory
  • ◉ Compatible with Bluelab Connect Stick and Bluelab Connect Range Extender



Free Continental
US Delivery over 99$

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Free, Fast Local Shipping

All continental US orders over $99 qualify for free shipping.

Discreet Shipping

We understand the importance of privacy to many of our customers. All orders placed on Growbuds are shipped in plain boxes without explicit identifying marks.

Estimated Arrival

Between 1 and 5 business days, depending on your location.

Easy Returns

For up to 90 days, depending on the brand.


Please refer to our Shipping & Returns policy page for more detailed information.

All products sold on Growbuds are subject to the respective manufacturer’s warranty policy, which can be found on manufacturers websites or by contacting them. If your product fails in the remainder of our returns period, the manufacturer's warranty policy will prevail. In this case, send us an email at and we will assist you in your warranty claim by helping you coordinate with the original manufacturer.

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Free Continental
US Delivery over 99$

Safe Checkout