Bluelab Soil pH Pen
Bluelab Soil pH Pen
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Bluelab Soil pH Pen

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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.
Take care of your growing fundamentals with the Bluelab Soil pH Pen, which accurately measures pH and temperature in a range of growing media. The Bluelab Soil pH Pen is a hardy handheld solution for measuring soil pH and temperature on the go! 

It will also measure solutions too…

Why The Bluelab Soil pH Pen?

  • Effective in most growing media and in water/solutions
  • Fully waterproof! - not just water resistant
  • Simple two-point calibration for increased accuracy
  • Auto-off function to extend battery life
  • Automatic temperature compensation for accurate readings everywhere!


  • Hold the reading function to capture measurements with ease!


The Bluelab Soil pH Pen is far and away, one of our most popular items. People can't seem to get enough of it.

Inventory Last Updated: Oct 01, 2023


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