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Thread: Recognizing Thermocline

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    Default Recognizing Thermocline


    do you actually see it on the screen or simply the absence of life below a certain point ?

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    I see it on my screen (HDS Gen 3), and usually no fish below it. Screen looks almost "fogged" from where it starts on down. But the missing fish below are the give-away to it.

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    I have a gen 1 Helix-9 . Not sure how to set to better see it .

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    Turn your sensitivity all the way up or nearly all the way on your 2d sonar and you should see it appear very easily


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    Quote Originally Posted by eagle 1 View Post
    do you actually see it on the screen or simply the absence of life below a certain point ?
    I usually see it on the screen as a "fuzzy" line that stays at the same depth.

    Not all lakes develop a thermocline !!
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    Quote Originally Posted by RK1 View Post
    Turn your sensitivity all the way up or nearly all the way on your 2d sonar and you should see it appear very easily


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    I sure wouldn't.

    Turn SwitchFire to Max mode and you'll have to back it DOWN it's so hot....
    Robert
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    I turn up my gain/sensitivity to find it. The big 4 is running around 15' fish where the water depth goes from 15 to deeper water, The magic depth yesterday was 21'.

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    Quote Originally Posted by trypman1 View Post
    I turn up my gain/sensitivity to find it. The big 4 is running around 15' fish where the water depth goes from 15 to deeper water, The magic depth yesterday was 21'.
    Wait .... WHAT ??? You're supposed to fish ABOVE the thermocline, so if the thermocline is at 15', then why is the magic depth SIX FEET BELOW that ??
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    Quote Originally Posted by CrappiePappy View Post
    Wait .... WHAT ??? You're supposed to fish ABOVE the thermocline, so if the thermocline is at 15', then why is the magic depth SIX FEET BELOW that ??
    Because crappie like to have a certain amount of water under them too?

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    Here's a screenshot from Saturday at Back River. Gain on my Garmin was cranked up pretty high.
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