Best Bluelab Guardian Monitor Deals Online in the UK (9 Deals Found)

Last Updated - 04/10/2026 Sort By:

Best Choice
Bluelab

New
Bluelab Guardian Monitor Wi-Fi for Real-time pH, Temperature, and Conductivity (TDS) Measurements in Water with Calibrat
Real-time Monitoring: The Bluelab Guardian Monitor Wi-Fi allows you to monitor your reservoir's pH, Conductivity, and Te

£346.84
Bluelab

New
Bluelab Guardian Monitor - pH / EC / Temp
Bluelab Guardian Monitor Ph Ec Temp

£379.94
Bluelab

New
Bluelab Guardian Monitor Inline Wi-Fi for Real-time Measurements of PH, Temperature and Conductivity (TDS/PPM) in Water
Real-time monitoring: The Bluelab Guardian Monitor Inline Wi-Fi allows you to continuously monitor your dosing pH, condu

£548.95
bluelab

New
Bluelab Guardian pH, Conductivity and Temperature Monitor by Bluelab

£597.00
Best Value
iPower Distributor L&G

New
Bluelab Connect Guardian pH, EC and Temperature Monitor by iPower Distributor L&G

£628.80
Bluelab

New
Bluelab METCOM Combo Meter for pH, Temperature, and Conductivity Measures, Easy Calibration, White
Measures pH, temperature and (tds) EC, ppm 500, ppm 700 and CF with lab quality glass that can be used for the pool, dri

£230.20
Bluelab

New
Bluelab OnePen - a 3-in-1 Temperature, EC/PPM and pH Meter, Lightning Fast Readings - Bluetooth Data Sharing & in-App Tr
Quick and Accurate: OnePen delivers the fastest time to a stable pH and Conductivity (EC/PPM) reading on the market, aut

£191.99
Bluelab

New
Bluelab PROBPHIN Inline pH Probe (Probe Guardian Monitor Connect In-Line)
It also data logs these critical parameters to your computer for you

£190.00
Bluelab

New
Bluelab PENSOILPH pH Pen for Soil, Coco, Rockwool and Solution, Easy Calibration
Measures pH in meda (and solution) for acid or alkaline conditions to make precise up and down adjustments with lab qual

£173.06

9 Bluelab Guardian Monitor deals are available from: Amazon stores, starting from £173.06.
The biggest discount we found is 10%% on Bluelab Guardian Monitor Wi-Fi for Real-time pH, Temperature, and Conductivity (TDS) Measurements in Water with Calibration, 3 in 1 Digital Nutrient Meter for Hydroponic Systems and Indoor Plant Grow at Amazon.
The lowest price we found is £173.06 while the highest is £628.80.
Prices for the best Bluelab Guardian Monitor deals average at £365.20.
Last updated on October 4, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Bluelab Guardian Monitor.