Bluelab Guardian Monitor
Bluelab Guardian Monitor
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Your grow room's dashboard—24/7. The Bluelab Guardian Monitor Wi-Fi continuously monitors pH, conductivity (EC) and temperature, displaying your key growing parameters at a glance. Whether you're in the grow room or away from home, built-in Wi-Fi and the Edenic app keep you connected with real-time monitoring, alerts and historical data, so you can respond quickly when conditions change.
Healthy plants rely on consistency. By continuously monitoring pH, nutrient strength and temperature, the Guardian Monitor helps you spot changes before they become problems, making it easier to maintain a stable growing environment throughout every stage of growth.
Why Growers Love It
- 24/7 monitoring of pH, conductivity (EC) and temperature.
- Built-in Wi-Fi connects to the Edenic App for remote monitoring, alerts and history.
- Instant alarm notifications sent directly to your phone when readings move outside your chosen limits.
- High and low alarms for pH, conductivity and temperature.
- Large, easy-to-read digital display of all 3 measurements.
- Plant-safe green LEDs with adjustable brightness.
- Non-volatile memory retains your settings after a power outage.
- Replaceable Bluelab pH Probe with BNC connection for long-term reliability.
- 2-metre probe cables for flexible installation around your reservoir.
- Mains powered (110–240V) for continuous monitoring.
Grow Tip
Regular spot checks only show you what's happening at that moment. Continuous monitoring helps you spot gradual changes in pH, EC or temperature before they impact plant health, giving you time to make small adjustments before they become big problems.
Pairs Perfectly With
The Bluelab pH Controller Wi-Fi for automatic pH control while continuously monitoring all three key growing parameters. Keep Bluelab pH 4.0 & pH 7.0 Calibration Solutions, Bluelab KCl Storage Solution and a Bluelab Replacement pH Probe on hand to maintain long-term accuracy.
Because healthy plants start with knowing what's happening.
Additional Details
Shipping & Delivery
In Stock Quantities Online may vary due to in store sales. Online quantities are pulled from all of our branches stock levels.
- We will do our best to fulfil your order. If your order cannot be filled promptly you will be refunded via method of purchase or contacted to arrange alternate options.
We will only deliver to a New Zealand address at this point in time. We don’t deliver to PO Boxes.
Pickup orders may show available in store on the product page but may not be available in the quantities in your cart. You may have to adjust the quantities in your cart at checkout to be able to pick up at a specific store.
- Pickup Orders are confirmed once checked by staff at location of pickup. Please wait to be contacted by staff before coming to store.
Photo ID Of Person Who's Name is On The Order Must Be Presented to staff when picking up and must match name on order. We do not accept name changes of orders once placed so please make sure you are filling in the correct details.
If goods are Not Received within 7 days of purchase, contact us.
Any Damaged or Missing Items from your order must be brought to our attention within 7 days of receiving your order.
If your item is Oversized or More Than 25kg you may be contacted for an additional freight charge to be calculated upon picking of order.
We use Courier Post as our freight provider. Prices and providers are subject to change without prior notice.
To ensure successful delivery make sure there is some one Present at the Delivery Address during business hours.
Delivery times are normally 1-2 days to the North Island and 2-5 days to the South island once dispatched. Rural delivery can take an extra day longer.
In Stock Quantities Online my vary due to in store sales. We will do our best to fulfil your order promptly. If your order cannot be filled promptly you will be refunded or contacted to arrange alternate options.