Pro-Kleen’s Tile & Grout Sealer seals and protects surfaces against limescale, mould and mildew. It’s designed to leave an invisible barrier to prevent discolouration and stains – perfect for kitchen backsplashes and shower tiles. This formula shields surfaces from discoloration, yellowing, mould, mildew, and limescale, making it ideal for maintaining the pristine look of your tiles and grout.