 at the popcorn texture, I should say, from the ceiling. And that generally does a pretty good job because if you've ever tried to paint it, if you don't have the right roller, when it gets wet, it starts to peel away from the ceiling. So by getting it wet, you're being able to remove it. You just want to make sure with your blade or your scraper that you're not digging into the drywall below it because keep in mind, whatever's left underneath there is what you're going to paint and then see.