Hello,
I have started to use a second probe for measuring PH yesterday. I have now one probe for measuring PH in the calcium reactor, and a second probe (through an extension in the Profilux 3) for measuring PH in the tank.
Despite both probes are new (one is 3 months old, one is totally new) and despite I calibrated both probes at the same time yesterday, using the same process, the result significantly differs. The gap between them is around 0,2.
The new probe provides a 8,25 ph level in my tank - which seems realistic (it was at the end of the day)
The previous probe provides a 8,45 ph at the same time - which seems too high. I reperformed the calibration a second time, but result was the same : still 8,45 !
Can you please let me know your view and what I can do?
Thank you very much.
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