Heavily soiled tiles in the kitchen: When cleaning products fail, a small device can help. Conventional cleaning products such as are usually sufficient for light stains and dirt on the wall tiles.
But if you have tiles with a thick layer of grease, you definitely need mechanical help when cleaning them. Experts recommend using a glass ceramic scraper, like the one used to clean hobs. This allows greasy dirt to be carefully removed. Finally, wipe the tiles again with a little cleaning agent – done.