bluelab pH Pen Faq & Troubleshooting

This salt crust is normal and will not harm the probe or meter. Gently wash the salt off under
fresh running water. It is essential to ensure that your probe has sufficient KCl in the storage cap
at all times to remain hydrated.
How long will my Bluelab pH Pen last?
Bluelab's pH products are charged with reference material which expends over time and use. The
average life span of a pH pen is approximately 18 months. Good care will help to maintain your
pen. Follow our guides to proper hydration, regular cleaning and calibration.
The pH pen has a 1-year warranty so if you encounter any issues with your current unit, please
feel free to reach out to us for support.
What is KCl Storage Solution?
Our Bluelab pH Probe KCl (Potassium Chloride) Storage Solution is a storage solution designed
specifically for use with Bluelab pH Pens or pH Probes.
Storage solution is used to ensure a pH probe is kept in ideal conditions during storage, while the
probe is not in use. Read more about KCl solution.
Understanding error messages
Error code
Reason
Correction
Calibration solutions may be
contaminated
Always use fresh calibration
solutions

bluelab pH Pen Specifications

General

Measurement Range	0.0 - 14.0 pH
Accuracy	+/- 0.1 pH
Resolution	0.1 pH
Automatic Temperature Compensation	Yes
Power Source	1 x AAA battery
Waterproof	Yes
Waterproof Rating	IP67
Calibration	Two-point calibration
Temperature Range	0 - 50 °C (32 - 122 °F)