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GroStar GS1 pH Pen

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30 days
Price in points: 174 points
($124.98 inc tax)
10 in stock

GroStar GS1 pH Pen

Lab grade instruments designed specifically for growers!

  • pH 7 & pH4 calibration solution (50ml bottle each)
  • KCL storage solution (10ml bottle)
  • Lanyard and user manual


  • Measures pH and temperature
  • Premium probe technologies and materials ensure high accuracy and durability with minimal maintenance
  • Easy-to-use design and fast calibration adjustment
  • Double junction replaceable probe, so you don’t have to discard the entire pen when the probe reaches its end of life
  • Large 3-color backlit screen gives you clear information
  • IP67 waterproof rating
  • Powered by AAA batteries with auto off function
  • Automatic temperature compensation
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