To remove water stains, mold, mildew, soot, nicotine, soda etc. Always test InstaGone in a small inconspicuous area to ensure color fastness. If there is no change in color, apply product by spraying, brushing, or rolling. Always cover floor, rugs, drapes and furniture first to prevent unwanted bleaching. After waiting 10-15 minutes, wipe treated area with damp sponge or cloth.