[jhook]

Originally Posted by steveooo

I think most of guys use Goop and some sort of fitting

Here are 2


http://www.kayakfishingsupplies.com/...re-Seal/Detail

http://www.kayakfishingsupplies.com/...clam%29/Detail

Cheaper way is to use a rubber stopper, even cheaper is to just run the wires through a hatch.

I actually have one of these:


How hard is it to undo Goop if I need to take the transducer cable out? Maybe an RTV silicone caulk would be better?