I have had the salinity probe for about 2 years working fine. All of a sudden it started dropping. It ended up all the way down to 28 over about 2 weeks. I decided to recalibrate. When it was done it read 34.9 in the solution. As soon as I put it back in tank it continued to rise up to 45. I made sure all air was out of it many times.
At this point figured the probe had just gone bad. Bought a new one and the exact same thing is happening.
I did the dry, set it at 2.2 since I have a second temp probe. Left the solution in sump to bring to temp. Tapped all air out of it.
One thing I did notice while calibrating was when it was in solution for about 2 seconds the number on the screen dropped to 0 then back up to whatever triple digit number it was at.
Do you think the module is bad???
I've calibrated it a few times before and no problems ever.
Thanks
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