• Indoor Gardening Blue Lab PPM Pen

Blue Lab PPM Pen

Article number:
2906
Availability:
In stock
Reviews:
$94.99
Excl. tax

The Bluelab ppm Pen measures conductivity and temperature and is a great way to ensure plants are receiving the proper amounts of nutrients. This pen features a backlit LCD display, optional calibration and a successful calibration indicator, a hold function, low battery warning, auto off function, automatic temperature compensation, and is fully waterproof. It operates in units of 500 or 700 ppm and has a range of 0-5000 ppm or 0-7000 ppm, and accuracy to ±50ppm or ±70ppm. Requires one AAA battery (not included) and has a 12 month manufacturer’s warranty.
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