Something is amiss here! Our Zinsser SealCoat Universal Sanding Sealer is a natural, wax-free shellac product, designed to seal hardwood floors prior to applying a polyurethane protective finish. Shellac has a natural, amber hue, that will deepen as more coats are applied. With a typical floor application, one coat of SealCoat is applied, then the floor should be sanded with 120 or finer grit sandpaper prior to applying polyurethane. If the floor color is darker than desired after applying the SealCoat, it may be sanded and removed from the wood completely, and a water-based polyurethane such as our Varathane Water-Based Floor Finish Polyurethane may be used directly on the wood. Keep in mind that while water-based polyurethanes offer crystal clear finishes that will not alter the color of the wood, these finishes may cause grain raise when applied directly to wood. If grain raise occurs, we recommend sanding the polyurethane smooth using 220-320 grit sandpaper, then applying the next coat. Repeat the application and sanding process until a minimum of 4 coats are applied, and the surface is smooth and even. We offer a satisfaction guarantee on our products, and will be happy to provide a refund for the SealCoat that was purchased. Please give us a call at 800-901-0411, we want to try to make things right! - Rust-Oleum Product Support 2