Ready to use UniBond Grout Pen for reviving faded and discoloured wall grout joints. It is available in a dries ice-white and is suitable for interior use in kitchen, bathrooms and domestic showers. Dries in 60 minutes. Ideal for small wall joints Triple protect formula that kills, repels and prevents mould Dries in 60 minutes Precision application Suitable for interior use in kitchen, bathrooms and domestic showers