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Bluelab ppm Pen
Bluelab ppm Pen

Price: $94.00

Product Code: BPPM500

The Bluelab ppm Pen measures conductivity and temperature and is a great way to ensure plants are receiving the proper amounts of nutrients. It's fully waterproof and also features a backlit LCD display, optional calibration and a successful calibration indicator, hold function, low-battery warning, auto-off function and automatic temperature compensation. It operates in units of 500 or 700 parts per million (ppm) and has a range of 0 to 5000 ppm or 0 to 7000 ppm, with an accuracy of ± 50 ppm or ± 70 ppm. Requires one AAA battery (not included) and has a one-year warranty.

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