 and you're spraying onto an asphalt shingled roof to get rid of the black streaks, the algae, the fungus, and everything, you want to do it when there's not a lot of evaporation. Lightly cloud, you know, a lightly clouded day, a coolish day in the morning, we'll get some, you know, some cool weather, of course, even in the summertime. That's when it's ideal. You can do it in the summertime.