Make your grout white again with the power of hydrogen peroxide and cold-pressed orange oil. This unique combination penetrates grout lines, allowing the hydrogen peroxide to destroy odor causing soils. Get major renovation power with reduced toxicity. Use on any water-safe hard floor: tile and grout, stone, terrazzo, travertine tile, linoleum, VCT flooring, marble, rubber, slate, wood, athletic flooring, and more.