and smooth. You may have to use a patching compound if your wall is uneven or has holes or indentations. Remove loose paint or any wallpaper or decorative material before installation of the back or side splash. 4. To keep your Pegasus granite vanity top hygienically clean, we recommend Stone Care’s “Counterriffic” on a weekly basis. This spray disinfectant will kill all types of bacteria and is FDA and EPA approved for food handling surfaces.