Bluelab Combo Meter — Portable pH, EC & Temperature Testing Take accurate nutrient-solution readings anywhere with the Bluelab Combo Meter—a trusted handheld meter used by growers for 25+ years across 100,000+ units. Designed for quick checks in reservoirs, mixing tanks, and run-off, this portable, battery-powered tool measures pH, conductivity (EC), and temperature to help you keep nutrient uptake on track and plants performing at their best. With a bright backlit display, simple controls, and serviceable probes, the Bluelab Combo Meter is built for everyday use in real grow environments. The conductivity probe is factory calibrated, so it’s ready to go right away, while the pH side offers a straightforward 2-point calibration with a 30-day reminder to help maintain accuracy over time. Key Benefits Measure pH, EC, and temperature on the go Portable, handheld design for fast checks anywhere Easy calibration and maintenance for long-term reliability Features Compact handheld design (battery powered) Bright, backlit display for clear readings in any lighting Replaceable Bluelab pH Probe with BNC connection Simple 2-point pH calibration + 30-day calibration reminder Temperature readings in °C or °F Conductivity units: EC, CF, ppm 500 (TDS), ppm 700 The conductivity probe is factory-calibrated (ready to use immediately) KCl-filled pH probe cap keeps the pH probe hydrated between uses 2 m / 6.6 ft cables for measuring in hard-to-reach locations Ideal For Hydroponic, coco, and soil growers who want a dependable, portable meter to dial in nutrient strength and pH quickly—at home, in a greenhouse, or on the move.
