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Showing results for tags 'ph probe'.
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When coming home from work yesterday I noticed my pH showing 9.28... Normally I hover around 7.9-8.0 at all times so this is definitely out of the norm. A minute later, the probe read 6.32. While watching it over the next 10 minutes it was wildly swinging. Took it out and soaked it in citric acid for an hour and rinsed in RODI. Put it back in my sump and still getting the same symptom. Does this look like my probe is going bad?
