To soak a

There are other ways to remove tile glue, for example, use a spatula. Carrying out work with a spatula should be carefully enough, no matter what the grout that is needed is removed. Some more use ordinary vinegar. During its use, it will be enough for you to soak a piece of fabric in it. And then remove tile glue. When you use this method, it will be necessary to ensure that the tile is not scratched.