Restore your old deck to that beautiful look new look again. I presure wash that old deck and give it that new wood look again. I then will apply a special soft harmless acid wash to it to it to get into the pours of the wood. Then I will apply the stain of you choice to bring back that new look again. New decks or old they all need to be acid washed before appling stain. new wood decks have a film used at the mills that needs to come off for that perfect new look.