BlueLab PH Pen

£89.95 £94.95


BlueLab PH Pen.

The ultimate handy solution for measuring pH!

Plants get their nutrition from minerals but they can only get all the right minerals they need if certain conditions are right.

The Bluelab pH Pen is the latest innovation for hand-held meters. It provides a compact, quick and handy way to manage the success of your plants to ensure maximum uptake of nutrients. This is a convenient and accurate system for ensuring optimum plant growth and health.


  • Measures pH and temperature
  • Selectable units for °C & °F
  • Backlit LCD display
  • Double junction probe (not replaceable)
  • Successful pH calibration indicator
  • Hold function
  • Low battery warning
  • Fully waterproof
  • Auto off function
  • Automatic temperature compensation
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