Can you fix a leak in the bottom of a vinyl pool without removing the water?

Yes, you can fix a leak in the bottom of a vinyl pool without removing the water by using an underwater patching kit specifically designed for vinyl. These kits typically include adhesive patches that can be applied to the leak while the pool is still filled. Ensure the area around the leak is clean and dry before applying the patch for the best adhesion. Additionally, you may need to drain some water if the leak is in an area that is difficult to access, but complete drainage is not necessary.