Try www.sanitred.com
The polyurethane coating they say is good for keeping barnacles off.
Ask them yourself. It forms a slippery rubber coating that never peels
etc...

"MarshallE" wrote in message
om...
HI,

I will be hauling out my big wood boat with fiberglass skin to scrape and
repaint bottom.
Anybody have favorites or ideas/opinions?
thanks
marshall