? For apex pros

Joined
Nov 8, 2013
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#1
Hi all. Both my ph probes have freaked out. Trying to recalibrate, the settling number stays at 250 for both 7 & 10 and never moves. At the end I get a brief message that the process failed. Is it possible that both failed?

Fwiw - reading on one probe was .28 before and now 2.60.


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Joined
Nov 8, 2013
Messages
585
Likes
4
Points
18
Location
Valencia
#2
Tried to calibrate salinity probe and got the same results. Thoughts?


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