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Old 12-08-2015, 10:20 AM   #11
Capt.Bill11
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City: Sarasota/Ft. Lauderdale
Country: USA
Join Date: Apr 2014
Posts: 5,436
The brown stains are from the 3 discharge thruhulls which more than likely are the are the ones for the 3 aircon heat exchange water discharges.

And it's not a steel boat, it's fiberglass.
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