Bluelab pH Pen

This hand held digital pH meter made by Bluelab (N.Z) insures a top quality product for use in hydroponics or testing water.

This highly accurate pen reads 0.00 - 14.0 range and displays the pH reading in figures so no need to compare to a colour chart. Other features include:

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

Included in the purchase is:

- 1 x AAA battery
- KCI storage solution to ensure longevity and accuracy
- buffer 4 and buffer 7 for calibration before first use

1 year warranty.

Check out the attached youtube video on how to calibrate your pen.