Installing a fish finder

I'm getting ready for the fishing season and I am going to install a Lowrence fish finder. I have looked around the web and there a few ways to install one, not sure which one is the best. I have a OK Prowler 13 and I am thinking of just gluing a piece of pool noodle bored out and installing the transducer in marine goop. What do you think.

I prefer goofing the foam puck to the hull, then setting the trans inside and adding a hand full of water before launching. However it really depends on what FF you got, i.e. I wouldn't goop down a $400+ FF set up, I would get a replacement through hull mount. But for a x4,x4 pro, mark 4, ect the gooped foam and splash of water will work just fine

After 3 years using the water "donut" method, I recently installed a new Garmin 400C and gooped the transducer to the inside of my hull.  I have only used it once so far but the screen images are very clean and I never need to worry about forgetting to put water in the donut.  Both methods seem to work OK but the gooped in transducer is just less hassle.

I would still prefer something like this if I'm dropping the coin to get a nice unit like your 400C. sorry for the tread jack boogiebrdrsteve



https://buy.garmin.com/shop/shop.do?pID=15166

If it doesn't work out, a new transducer is only $69.  Cutting or drilling the hull is just too permanent!


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I use that rtv black for both of mine I have done and never had a problem and its still soft enough to get off if I decide to re mount some where else