Bluelab® Test Meters
Bluelab® Corporation Limited offers Simple Solutions by manufacturing the favorite hand-held meters and control equipment for measuring and controlling parameters such as pH, conductivity and temperature in liquid solutions.
Bluelab® meters are so simple to use, they are just as popular with home enthusiasts as they are with commercial enterprises.
Bluelab® meters feature warranties that far surpass what the competition offers, offering clear testament to the Bluelab™ committment to quality.
Bluelab® Guardian Monitor
pH/EC/Temp Continuous Read Monitor
The Bluelab® Guardian provides a constant indicator of the desired levels of Electrical Conductivity (EC), pH, and temperature, which enables the grower to optimize these parameter as the crop progresses through each phase of plant growth.
A flashing display lets the grower know if any parameter moves away from the ideal, allowing adjustments to made quicly and accurately.
The Bluelab® Guardian is suitable for both commercial and hobby hydroponic applications.
Bluelab® Portable pH Meter
The Bluelab® pH Meter quickly and easily provides the pH measurement of a liquid solution, including hydroponic nutrient reservoirs. Simply place the removeable pH probe into the solution and an accurate digital pH reading is displayed on the large, easy-to-read screen.
Powered by 2 AAA batteries, the Bluelab® pH Meter is completely portable and measures the full scale of the pH range, from 0-14.
Suitable applications include hydroponics, horticulture, agriculture, floriculture, aquaculture, waste water, swimming pool and spa.
Bluelab® Truncheon® Portable EC Meter
Featuring the Bluelab® Truncheon®Meter, the world's favorite hydroponic nutrient meter.
Bluelab® Combo pH/EC/Temp Meters
Better crops begin with the Bluelab® Combo Meter, the only meter plant growers need for simple and reliable crop management.
The Bluelab® Combo Meter accurately measures Electrical Conductivity (EC), pH and temperature meter all in one simple to use, portable, battery-powered unit.
Bluelab® Replacement pH Probe
Easy to clean due to its bullet shaped glass bulb, the Bluelab® pH Probe is fully waterproof and less fragile than all-glass electrodes thanks to a tough polypropylene barrel. Maintanence free gell filled with a double junction reference that provides longer service life.
Bluelab® Cleaning & Calibration Kits

Bluelab offers a wide variety of maintenance products designed to keep Bluelab meters and monitors in excellent working order, including:
Bluelab® Conductivity Cleaning Kit
Bluelab® pH Probe Cleaning & Calibration Kit
Bluelab® pH Standard Calibration Solutions
Bluelab® EC Standard Calibration Solutions











