[Rhodes22-list] Biological Centerboard Fouling/Jamming - A SeriousIssue?

[Robert Skinner]

Jim White wrote:
> ...
>   A week (or two) in most saltwater areas is no big deal, and even here
> where the water is pretty warm year round (seldom gets below low 60's)...
> If you don't leave your boat in the water for extended periods, and don't
> bottom paint, I certainly wouldn't consider doing that for a short stay in
> the briney such as you have described.

Historically in the Chesapeake and in Maine, sailing up a 
river into fresh water for a week or so was/is supposed to 
cause barnacles to fall off.

Is there any truth to this?

/Robert Skinner