DSK wrote:
...And it won't
leave a stain if you wax your hull.

I don't think this is always the case. I have taken a freshly-waxed
sailboat down the ICW quite a few times, and by about Daytona the "ICW
Mustache" was pretty obvious.

--
Good luck and good sailing.
s/v Kerry Deare of Barnegat
http://kerrydeare.home.comcast.net/