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Thread: Salinity probe question

  1. #1
    Regular Vistor
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    Salinity probe question

    I am experiencing swings in my salinity probe, my system is hooked into a ato and tested with a refractometer ( both digital and regular) I'm not seeing these swings anywhere other than the salt prob and it's driving me crazy, I keep thinking my salt is swinging. How can i rectify th issue ?IMG_0137.jpg

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    My apologies wrong picture IMG_0139.jpgIMG_0140.jpg

  2. #2
    Frequent Contributor zombie's Avatar
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    Do the changes seem correlated with temperature (proportional or inverse)?

    You might be an engineer if...You have no life and can prove it mathematically.

  3. #3
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    Quote Originally Posted by zombie View Post
    Do the changes seem correlated with temperature (proportional or inverse)?

    You might be an engineer if...You have no life and can prove it mathematically.
    That's what I thought at first but my temp only changes from 78.1 tom78.5 through the day

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    Temp overlay IMG_0141.jpg

  4. #4
    Frequent Contributor zombie's Avatar
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    The first thing I would check then are bubbles in the probe tip (would need to tilt or relocate if that's the problem), or wires running parallel to the cond probe cord (move them if any are within 2 inches and parallel).

    You might be an engineer if...You have no life and can prove it mathematically.

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