The Bluelab Combo Meter is an all-in-one meter for reading the levels of conductivity, pH and temperature. 

The meter features a pH probe and a conductivity/temperature probe and is completely portable with no need for a power supply.  Using the Bluelab combo meter you can easily monitor your nutrient solution and rectify any deficiencies to make sure your plants are receiving the optimal levels. 

• Measures pH, conductivity / nutrient (EC, CF, ppm 500 and ppm 700) and temperature (°C, °F)
• Lightweight and portable
• Large easy to read display
• Simple push button pH calibration
• Successful pH calibration indicator
• No calibration required for conductivity and temperature
• Replaceable double junction pH probe included
• Over range and under range indicators
• Low battery indicator
• 2 x AAA alkaline batteries included
• Auto-off function
• 5 year Meter guarantee