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The pH sensor is a sensitive and important device that needs to be handled with care. One way you can protect it from damage is simple by using the tool correctly! Cracked glass is a common issue with pH sensors. It is also one of the most likely issues with pH sensors, that leads them to give incorrect readings – if you have cracked glass, the sensor's reading is highly likely to be off.
But why is this happening you ask? ...It is usually caused by improper and rough handling of the probe. It is super easy to do though, the glass is fragile and a thoughtless bump against something can easily happen. A hairline crack can appear in the glass bulb, in the glass stem, or where they are joined together. Often this crack is very hard to see except by careful inspection with a microscope. Unfortunately, we can't fix this one. We recommend binning and getting a new model!
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