The Bluelab Combo Meter (METCOM) is a professional 3-in-1 tool that accurately measures pH, conductivity (EC/PPM), and temperature in water and nutrient solutions. Designed for hydroponics, aquaponics, and indoor gardening, it helps growers maintain optimal nutrient balance for healthy plant growth. With easy one-button calibration, a large digital display, and replaceable probes, it ensures long-term precision and reliability. Its portable design makes it convenient to monitor multiple reservoirs or systems with ease. Take control of your growing environment and achieve consistent, high-yield results with Bluelab’s trusted accuracy.
Keep accurate control of your plants’ environment with the Bluelab Combo Meter — a compact digital tool that measures pH, conductivity (EC/PPM/TDS) and temperature in one smart device. With automatic temperature compensation, a replaceable glass double-junction pH probe and factory-calibrated conductivity/temperature sensors, it’s primed for hydroponics, aquariums, and indoor gardening. The large, easy-read display and intuitive button layout let you switch between units, calibrate pH in two easy steps, and monitor nutrients in water with confidence. Backed by a 5-year limited warranty and built by growers in New Zealand, this meter delivers pro-level precision with plug-and-play usability — click to upgrade your growth setup today.











