Blue Lab PPM Pen – Garden Effects -Indoor and Outdoor Gardening Supplies

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Blue Lab PPM Pen

$104.99

The Bluelab ppm pens provide a compact, quick and handy way to manage the success of your crops to ensure they have the nutrients they need. Teamed with our Bluelab pH Pen, you have a handy, convenient and accurate system for ensuring optimum plant growth and health. Features: Measures conductivity and temperature, Selectable units for conductivity and temperature, Backlit LCD display, Calibration optional, Successful calibration indicator, Hold function, Low battery warning, Fully waterproof, Auto off function, Automatic temperature compensation, 1 year warranty