Bluelab PH Pen

Bluelab PH Pen

Bluelab PH Pen

Regular price $157.99
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  • Fully waterproof - not just water resistant
  • Simple two-point calibration process for accuracy
  • One-year peace-of-mind warranty
  • Automatic temperature compensation for accurate readings everywhere
  • Auto-off function to extend battery life
  • 1 AAA battery included - simply power on and go

The Bluelab pH Pen will quickly and accurately measure your hydroponic solution’s acid/ alkaline balance. Use to maximize plant nutrition and ensure optimum plant health, growth and yields.


  • Successful calibration indicator
  • Measures pH and temperature
  • Completely waterproof
  • Backlit LCD display
  • AAA alkaline battery included

  • Warranty: 1-year repair or replacement

    Directions For Use:

    Step 1: Press power button and place probe in solution. Wait for reading to stabilize
    Step 2: To hold reading press power button again

    Grower’s Tip:

    To ensure accurate readings the double junction probe needs to be rinsed in water after each use and cleaned prior to calibration.
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