Oh no, dealing with a urine stain on the sofa is never fun, but don't worry, it's a fixable problem! The most important thing is to act as quickly as you can to prevent the liquid from setting deep into the fabric and cushions.
First, grab a clean cloth or some paper towels and blot the area immediately. Press down firmly to soak up as much of the urine as possible. Keep using fresh, dry sections of the towel until you can't pull any more moisture out. Once you've blotted it well, a great next step is to sprinkle a generous amount of baking soda over the entire spot. Let it sit for at least a few hours, or even overnight. The baking soda is fantastic for drawing out lingering moisture and neutralizing odors. When it's done its job, simply vacuum it all up.
After vacuuming, you can treat the area with a cleaning solution. A simple and effective mix is equal parts white vinegar and water in a spray bottle. Lightly mist the area and let it air dry. For a tougher or older stain, you could try a solution of one tablespoon of ammonia in half a cup of water, sponging it on from the edges of the stain toward the center. Just be sure to test any cleaning solution on a small, hidden part of the sofa first to make sure it doesn't discolor the fabric.
For pet urine in particular, your most powerful tool will be an enzymatic cleaner, which you can find at most pet stores. These cleaners contain special enzymes that break down the uric acid in urine, completely eliminating the stain and the odor at a molecular level so that even your pet can't smell it anymore. After applying any cleaner, allow the spot to dry completely. Pointing a fan at the area can help speed up the process.
