Helix 5 si clutter

So seems like every time i go out i get clutter all over the water column. On normal sonar, di, and si. I have a picture of it not being to bad. Normally my screan in full of this.

Sometimes it fine. Not sure if its just stuff in the water . Or if i need to move my transducer. Si and di are unreadable when its like this also. Any ideas?

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Like i said , normally the screen is all full of blew from 0 ft till bottom.

It’s possible you have your sensitivity too high. What I see there is a thermocline.

Im new to fishing electronic. So i have it on the settings it came on out of the box if that helps.

Yup, Thermocline.