Thanks tsubaki.  I really like the idea for placing something over the transducer.  I had pondered around with that thought but having the visual definitely makes me want to do it.  Just wish I could figure out why it does it when the other one in the same spot never did.  
 
I will look into the filter issue.  When I replaced mine, the one that was installed was one that you can find in Walmart.  I changed it out to one for West Marine, and for the life of me without looking at it, I can't remember what the name was.  I do remember it had a smaller micron size.  I went with  the logic that having smaller foreign particles caught was a good thing right?  Maybe I need to switch back to the other one.  It's cheap enought to try it out.
		 
		
		
		
		
		
		
		
		
	
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