The Bluelab pH Probe and the Bluelab Conductivity/Temperature Probe are simply placed into the solution and the selected reading is displayed on screen.   As the Bluelab Combo Meter is portable and does not require a power supply to operate, it can be used anytime and anywhere to help you manage your crops daily nutrient requirements.

• Measures pH, conductivity and temperature on the go
• Brilliantly simple design that’s easy to use, clean and calibrate
• Backlit display to capture every measurement with ease
• Includes a pH Probe and Conductivity Probe to cover all your nutrient uptake fundamentals
• 2-metre cable for measuring in hard-to-reach locations
• Customise scales to your preference - conductivity in EC, CF, PPM 500 (TDS) or PPM 700; temperature in °C or °F