 that will clean it. That will clean it. Get rid of the dust, the dirt, any molds, any mildews. That will clean it. And then if you want to go ahead and put a deck brightener on there, deck brighteners, it's not required by any stretch of the imagination. But what a deck brightener does is it kind of brings it back to its original color, if that's important. And it also opens up the pores of the wood so that...