I’m making several log projects all from cedar logs. Some of the logs have heart rot and one has mold. Is there something I can do to stop the rotting and small case of mold? So I can polyurethane the logs afterwards. The rot isn’t too bad and is in small areas from what I see. The mold is a light gray/blue color on one side of the log, and appears that no bark grew there. Also I have found bore beetles when I stripped the bark. There were also bore larva in them. What can I spray the logs wit