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Continuous 3-in-1 Hydroponic System Meter
Brand New, Open Box Bluelab Guardian Monitor.
This is a premium-grade, commercial-quality continuous monitoring system for hydroponics, indoor gardening, aquariums, and reservoirs. It provides 24-hour, real-time tracking for pH, conductivity (EC, CF, ppm 500, ppm 700), and water temperature.
This unit has never been used or deployed in a system. It is in flawless, brand-new condition.
What is Included:
-Bluelab Guardian Monitor,
Main Display Unit (Brand New)
-Bluelab Conductivity / Temperature Probe
-Original Power Supply / AC Adapter** (US Plug)
Item Condition & Notes
-Condition:** New (Other / Open Box). The unit has never been used. It was plugged in once strictly to verify that the LED displays power on flawlessly.
-Important Note for Buyers:** This item came out of a package that did not include the detachable glass pH probe. **The pH probe is NOT included in this sale.** You will need to attach a standard Bluelab pH probe to the BNC connection at the bottom to utilize the pH monitoring features.
Key Features:
-Continuous 24/7 Monitoring,
-Displays constant, accurate readings at a glance so you never have to spot-check with handheld pens.
-Factory Calibrated EC Probe
The attached conductivity/temperature probe is factory-calibrated and requires no manual adjustment—just periodic cleaning.
-Visual Alarms:** High and low programmable parameters flash to alert you if your nutrients deviate too far.
-Plant-Safe LED’s
Green display lights are specifically designed not to disrupt plant dark cycles.
Shipping & Handling:
* Packaged securely with heavy-duty padding to guarantee it arrives in perfect condition.
* Fast shipping with tracking provided immediately upon dispatch.
