The Bluelab EC Pen is a compact, high-precision digital meter designed to measure electrical conductivity (EC) and temperature in nutrient solutions. Knowing the strength of your solution is vital to ensure proper nutrient delivery and avoid under- or overfeeding. The Bluelab EC Pen gives growers quick, accurate readings in a durable, waterproof device built for everyday use. Whether you're growing in hydroponics, coco, or soil, this pen makes it easy to monitor nutrient strength on the go. It features automatic temperature compensation (ATC), a backlit digital display, and simple one-button operation. Key Features: Measures EC (electrical conductivity) and temperature Quick and accurate readings for daily nutrient monitoring Waterproof and fully submersible design Automatic temperature compensation (ATC) Backlit LCD screen for easy viewing in low light No calibration required for EC measurements Lightweight and portable for use in any grow system How to Use: Remove the cap and turn the pen on. Submerge the probe in the nutrient solution. Wait a few seconds for a stable EC and temperature reading. Rinse the probe after use with fresh water. Store with the cap on to protect the probe. Specifications: Product Type: Handheld digital EC meter Measurement Range: 0.0–10.0 EC / 0–5000 ppm (TDS conversion may vary) Display: Backlit LCD Waterproof: Yes Temperature Compensation: Automatic (ATC) Calibration: Factory calibrated (no user calibration needed) Power: Battery included Application: Hydroponics, coco, soil, greenhouses, reservoirs Recommended Use: Ideal for growers needing reliable nutrient strength monitoring to maintain optimal feeding levels. A must-have for hydroponic growers and perfect for use alongside a pH meter for full solution management.
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