Our log home was built in 1989, we have been here since 2006. I believe it is the original treatment on the logs, which is very dark and may be walnut. It is well past time for us to do something with it since the lower logs are starting to weather. I know we have to pressure wash it, but then what? Will pressure washing it take the color off to a degree? We don’t want to make it any darker, so what color stain(?) should we put on? It is a one story home, so I am planning/hoping to do thi