[mr yoyo]

used this stuff home depot sells thompson treated wood it is about a year and half old ???
man when we built it the stuff was still wet and green it is not supposed to rot at all even with ground contact so far so good
now i have to clean it because i have green discoloration spots from moss ,water , etc do i pressure wash it or do it by hand ???? what is the best stuff not to disturb there treated process ???
any idea 's questions thanks in advance tommy