Outdoor uses: Ideal for cleaning smooth walls, window sills, front doors, blinds, cellar windows, sliding doors and window tracks, fly screens and security door. Outdoor furniture, Pergolas, synthetic roofs of all kinds, stairs, stone statues. Use in combination with Ha-Ra Kalkex to remove lime. Also can be used to remove moss. Indoor use: For cleaning all rough surfaces, masonry, wooden poles (natural wood), metal doors, wooden and synthetic paneling, grooved rubber and natural stone floors. How to use: Add three drops of Ha-Ra Protective Formula to 2 gallon of water. Remove dirt using circular motions and light pressure. Immerse the glove in water wring out thoroughly. Use the glove damp. When the surface is rough or very dirty, use lots of water.