What is the shelf life of my pH or ORP sensors?

Document ID

Document ID TE2171

Published Date

Published Date 05/23/2018
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Question
What is the shelf life of my pH or ORP sensors?
Summary
pH/ORP sensors and storage details
Answer
We do not recommend to store the pH or ORP sensors if at all possible. If storage is necessary, please keep the storage time to a minimum (2-4 weeks) . Please be sure to store the probe with the storage cap on and the storage cap sponge wetted with a 4 or 7 pH buffer. Every 2 to 4 weeks check on the probe to rewet the sponge to prevent the sensor from drying out. If a sensor that comes out of storage is not reading correctly, it is recommend to soak it in a 4 buffer overnight to try to reactivate the salt bridge.

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