The Bluelab Combo Plus Meter is an upgraded, all-in-one portable testing device for measuring pH, EC (electrical conductivity), TDS/PPM, and temperature in your nutrient solution. A step up from the original Combo Meter, the Combo Plus includes the Bluelab Leap pH Probe — offering faster, more accurate readings in a wider range of growing media, including soil and coco. Perfect for serious growers who want lab-level precision in a portable format, the Combo Plus Meter gives you everything you need to monitor and adjust nutrient strength and pH levels on the go. Key Features: Measures pH, EC/CF/TDS, and temperature Includes upgraded Leap pH Probe for fast, media-friendly pH readings Easy two-point pH calibration Portable and battery-operated Backlit LCD screen for easy viewing Suitable for use in hydroponics, soil, and coco Replaceable probes extend product lifespan Ideal for:Growers needing fast, accurate nutrient and pH monitoring across all grow mediums — soil, coco, and hydro — with a durable, portable device.