Tartan 27' owner
Join Date: Jan 2008
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Re: How can I identify the waterline from inside?
I like the strong magnet idea Bob.
If the weather is just right and there are small wavelets hitting the side of your hull you can put your ear to the FRP and hear where the wave sound is loudest.
Faster's thru hull hose idea is easier though.
In extreme desperation you could open a through hull and flood the cabin up to the water line (you'll know when you see it). Then drain it all out and carefully trace the high water line and clean up your boat. ;-!)
"The cure for anything is salt water~ sweat, tears, or the sea." ~Isak Denesen
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