Bluelab® Soil pH Pen

Bluelab® Soil pH Pen

The Bluelab Soil pH Pen provides a pH and temperature reading of soils and media, so you know that the right nutrients will be made available to your plants.In soils or growing media, pH strongly influences the availability of the microorganisms to plants in the soil. Now you can closely monitor and adjust the pH levels to optimize plant health and performance.It will also measure solutions too.

It will also measure solutions too. Easy to use buttons with selectable units for °C and °F.

Backlit LCD display with a low battery warning.

It has a successful pH calibration indicator as well as hold and auto off functions.


  • Direct pH and temperature measurements into soils/media
  • Backlit LCD display
  • Hold reading function
  • Integrated storage cap/dibber
  • Successful pH calibration indicator
  • Low battery indicator
  • Fully waterproof
  • Auto off function
  • Selectable units for temperature
  • Automatic temperature compensation
  • 1 x AAA alkaline battery included

    Bluelab® Soil pH Pen Spec Sheet

    Weight (lb.): 1

    Height (in.): 1.2

    Length (in.): 13.2

    Width (in.): 2.3

    Warranty(in.):  1 Year

    UL Listed: No

    Measurement range:  0 -14.0 pH

    Operating temperature:  0 - 50 °C, 32 - 122 °F

    Resolution:  0.1 pH, 1 °C / 1 °F

    Temperature compensation:  Automatic

    Calibration:Two point:  pH 7.0 and pH 4.0 or pH 10.0

    Units:  pH / °F / °C

    Power source:  1 x AAA alkaline battery

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