Cleaning tile grout can be a highly tough, boring, back breaking job. You spend hours on your hands and knees abrasion the grout lines, just to see them get begrime within a month or two later. Grout is very porous; therefore everything that touches the grout is realized immediately into it. Any and all spills are immediately realized into the grout instantly. This makes it impossible to clean, because the liquid is indeed deep into the grout dissenting to sitting on the surface.