Bluelab pH Pen

Bluelab pH Pen | pH | Meters & Measurement

Must be hydrated when you receive it before first calibration. Instructions and solutions provided.

High quality Bluelab pH pen.

$155.00 (inc GST)


A hand held digital pH meter for use in hydroponics or testing water.

Takes 1 x AAA battery (included with purchase)

Includes KCI storage solution to ensure longevity and accuracy, buffer 4 and buffer 7 for calibration before first use.

Made by Bluelab (N.Z), which insures top quality. 

Reads 0.0 to 14.0 pH range


Highly accurate.


  • Measures pH and temperature
  • Selectable units for temperature
  • Backlit LCD display
  • Double junction probe (not replaceable)
  • Hold reading funtion
  • Low battery indicator
  • Fully water proof
  • Auto off function
  • Automatic temerature compensation (ATC)


Displays the pH reading in figures, so there is no need to compare to a colour chart.


One year guarantee.

for help with calibrating

click here