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post #13 of Old 03-16-2008
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Some of the companies state in their product description that the in hull transducers work as good if not better than the thu-hull types. Toilet bowl wax sounds good. I had similar results with "shoe goo." Sometimes you have to play around with location due to trapped air in the laminate.

Originally Posted by BarryL View Post

If your boat has a solid fiberglass hull, installing the transducer should take about 1 minute. You can use a 'puck' type transducer instead of a through hull. You don't need to epoxy the transducer or mount it in a tube filled with oil. All you need is some toilet bowl wax (about $1.00 from Home Depot, etc.). Press a wad of wax onto the hull where you want to place the transducer, then press the transducer into the wax.

I did this about a year ago. I originally planned on using the wax to find a good location, and then epoxying it in. However, since it has worked great, I have no reason to glue it down.

Good luck,
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