Bluelab EC Pen

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The Bluelab EC Pen is a compact, reliable tool for measuring the electrical conductivity (EC), TDS (ppm), and temperature of your nutrient solution. Whether you're growing in hydro , coco, or soil, this pen provides fast, accurate readings to help you maintain optimal nutrient strength for healthy plant growth. With a backlit LCD display, waterproof design, and automatic temperature compensation, the EC Pen is perfect for everyday use by both beginner and experienced growers. It’s pocket-sized, easy to calibrate, and ready to go straight out of the box. Key Features: Measures EC (electrical conductivity), TDS (ppm), and temperature Easy-to-read backlit LCD screen Fully waterproof design (can float in solution) Auto temperature compensation for accuracy Compact and portable – ideal for daily use Suitable for hydroponics, coco, and soil systems Ideal for:Growers who want a convenient, on-the-go tool to check nutrient strength and temperature with professional accuracy. Show more