Combine equivalent components baking soda and h2o inside a bowl (one example is: 2 tablespoons of baking soda + two tablespoons of drinking water, altering more or less for just how much you require). You can utilize a squeegee and perform within an S pattern. Wipe any extra drinking water https://unscratchthesurface.com/unveiling-the-secrets-taking-scratches-out-of-glass/