Bluelab Soil pH Pen


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The Bluelab Soil pH Pen is the latest innovation from their New Zealand HQ! Using a specially designed probe, this portable pocket-unit will allow you to test the pH of your substrate! They can cleverly also be used in a liquid solution, meaning you can test the pH of your reservoir, your grow medium and also the runoff! Giving you a complete picture of your water parameters!

The Bluelab Soil pH Pen provides you with a pH and temperature reading of soils (meaning any substrate including coco, soil, perlite or rockwool!) ensuring that the nutrients are available to your plants. 


  • 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

    Without monitoring your pH and EC levels, you're essentially growing blind! pH and EC measurement are basic tools on the belt of a hydroponic farmer.

    Handy, convenient and accurate for home or commercial growers! 

    Bluelab is a New Zealand based manufacturer that is globally recognised. They have been engineering and building water measuring technology for over 30 years! 

    Learn more at the Bluelab website here!

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