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roadkill said:
good idea about the salty water to keep it from freezing, it wont help the transmision any if any thing it would hurt it but with just a small amout cant see that it would make a diff. salt water is more dense and all fish finders have a greatly reduced depth capacity in salt water

i wonder if a little alcohol/water would work to prevent freezing and would that be less harmfull to the enviroment than adding salt any thoughts?
Its just to clear the ice of snow and debris so that you can set the trasducer on clear ice.... The only point of shooting through the ice is to find the depth you want to fish at, which these sonars are capable of doing... Then you cut holes and put the transducer in the water so you can mark fish.
 

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roadkill said:
antifreeze? are you kidding why not just dump some used motor oil on the ice. you might think the little that you might use wont hurt anything but hey would you want urine in you drinking water even just a little? comon have a little respect for the enviroment
Most anti-freeze is non toxic bio degradable now. I guess too many people giving it to their noisy neighboors dogs or something. :p
But I'd still use salt water its cheaper.
 

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Cutthroat said:
roadkill said:
good idea about the salty water to keep it from freezing, it wont help the transmision any if any thing it would hurt it but with just a small amout cant see that it would make a diff. salt water is more dense and all fish finders have a greatly reduced depth capacity in salt water

i wonder if a little alcohol/water would work to prevent freezing and would that be less harmfull to the enviroment than adding salt any thoughts?
Man, I don't think you could carry enough salt to be harmful. Besides, we mostly have reservoirs with some flow-through, here. salt doesn't stay put. Most aquatic organisms can handle a little salt in their water, too. Trout have no problem with it at all.
There probably is more salt on soft plastics fished in these waters then what gets threw the ice after it melts, from a spray bottle.
 
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