If your dog has urinated on your microfiber couch, there are a few things you can do to clean it up. First, use a vacuum cleaner with a hose attachment to suck up as much of the urine as possible. Second, pour a pot of boiling water onto the couch and let it sit for about five minutes. This will loosen any dried urine and make it easier to clean. Finally, use a cloth or sponge to wipe down the couch surface. ..