Grout haze is what remains after a grout installation is tooled and cleaned. Not all tiles will develop a grout haze. Glazed ceramic tiles are the least likely to develop a challenging grout haze removal problem and can usually be finally cleaned after the grout has dried thoroughly simply by using a bath towel type fabric to polish the tiles.
The more course-surfaced unglazed tiles and stone mimicking tiles are the ones that are likely to develop a haze [that will be to some] challenging
