Join Date: Sep 2006
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I had an old wooden boat, and yes, you could look right through the gaps before it went in the water. A freshwater hose would help, but I never tried it.
You will see the water peeing out when using the hose, and it will give you an idea of what's about to pee in.
Be very wary of caulking a boat that has not being caulked. The added packing is very likely to keep the planks apart where before they would not be apart.
Also, caulking takes for ever to do.