UniBond Grout Reviver gives faded and tired looking wall tile grout a new professional. The grout reviver offers a triple protection against mould as it repels, kills and prevents any infestation. It is the ideal choice for sprucing up wall and floor tiles in bathrooms, kitchens and showers. Ensure that the joints are clean, dry and free from mould and loose grout. Before use replace missing grout where necessary using UniBond grout.