Hello fellow pearson owners. Our commander's giant 9 foot-long cockpit coming boards remain unvarnished. I believe that they have been unvarnished for many years. It may take another year before I can seal them. It appears that there is some green moss growing on the corners.

Is this damaging to the wood? How can I protect the wood until I have time to varnish? Any ideas? Do they need protection until they are varnished? Would pouring salt on them help?

any ideas would be great.