16.0 Cleaning the Bluelab pH Probe
To ensure accurate readings the pH probe tip needs to be rinsed in water after each use
and cleaned prior to calibration using the following instructions.
The storage cap must always be put back on after cleaning. Always ensure it contains
enough Bluelab pH Probe KCl Storage Solution to cover the probe tip.
Remove storage cap from pH probe.
Hold the top of the storage cap, twist the cap to
loosen then remove.
Rinse pH probe tip under fresh tap water.
Never use RO (Reverse Osmosis), Distilled or De-
ionized water.
Fill a small plastic container with clean tap water.
Add a small amount of Bluelab pH Probe Cleaner
or mild detergent (dishwashing liquid).
Gently stir the probe tip in the mixture.
Ensure that you do not ‘knock’ the soil pH probe
on the side of the container as this may cause
damage to the probe.
If the probe tip requires removal of heavy
contamination: Gently brush around the
glassware with a few drops of Bluelab pH Probe
Cleaner or mild detergent (dishwashing liquid) and
a soft toothbrush.
Rinse well under fresh running tap water to
remove all traces of the detergent mixture.
Calibrate pH probe after cleaning, see section
12.0. After calibration, store pH probe in the
storage cap, ensuring there is enough KCl Storage
Solution to cover the probe tip.
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