Bluelab pH Pen


The Bluelab pH Pen is a hand held meters that provides a compact quick and handy way to manage the success of your crops to ensure maximum uptake of nutrients. Teamed with our Bluelab EC Pen or Bluelab ppm Pen, you have a handy, convenient and accurate system for ensuring optimum plant growth and health. Now, isn't that handy? Features • Measures pH and temperature • Selectable units for ˚C & ˚F • Backlit LCD display • Double junction probe (not replaceable) • Successful pH calibration indicator • Hold reading function • Low battery indicator • Fully waterproof • Auto off function • Automatic temperature compensation

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