Bluelab Combo Meter PlusThe Bluelab Combo Meter Plus measures pH, conductivity (EC) and temperature and ships with a Leap pH probe so you can read pH in solution and in media. It is an all-in-one meter for growers who test across multiple media.Use it to manage nutrient solutions at the reservoir and to spot-check pH at the root zone. Push-button calibration and replaceable probes keep it accurate and serviceable.Available Options Measures pH, conductivity (EC) and temperature Includes Leap pH probe for soil and substrate Replaceable double-junction probes Portable handheld design Key Features Three parameters plus media pH Successful push-button calibration Automatic temperature compensation Replaceable probes extend meter life Ideal Applications Solution and media pH management Hydroponic and substrate growing All-in-one handheld testing