Keep your bathroom walls as good as new – with the Unibond Grout Reviver Pen! Revive the look of your bathroom walls, with the specially designed grout reviver pen. Designed to restore and refresh old bathroom grout that has become faded and discoloured – for example in the shower cubicle or bathtub wall area – the grout whitening pen is easy to apply. Thanks to the innovative pen shape, the grout pen ensures precise covering of old joints with an ice white grout layer that leaves grouts look as good as new again. In addition, the durable grout pen offers triple protection mould resistance that repels, kills and prevents mould growth, making it ideal for moisture-rich rooms such as bathrooms or kitchens. The grout cleaner can cover up to 60m and even dries within 60 .