I have a 2012 Cougar ftd with gatorhyde on the trailer. Just recently noticed white spots on the top of the C channel on both sides. This seemed to appear over night and the boat is kept in a closed shop. They look like water spots but will not come off. I know I saw a thread few years ago about this and was wondering if anyone ever found out what causes this or how to deal with it? The boat is like new and has less than 150 hours on the motor. Any help would be greatly appreciated.
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