If you only have a relatively small and isolated area of grout to clean then I’d recommend using a product like Grout Deep Clean. This product is ideal for cleaning grout on window sills, floors, walls and on worktops. If you have a larger area of grout to clean then I’d recommend using a product such as Heavy Duty Tile and Grout Cleaner because it cleans to a deeper level and will help bring up the grout to a clean condition. If your grout is really badly contaminated then I’d recommend using Grout Colorant which I’ll talk about more about later in this FAQ series.

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