Hydroxi Pro Spot's unique formula offers the same revolutionary polymer technology as Carpet Cleaning Crystal; however, it contains additional Hydrogen Peroxide, orange oil and wetting agents to handle tough situations. Spray spot or stain, agitate with clean towel and let Crystal Spot do the rest. The stain will disappear in seconds. Polymer technology to eliminate re-soiling. Color-safe and surface-safe. Neutral pH for synthetic and natural fibers. Removes: tea, coffee, soft drinks, wine, urine, juice, food and blood. One gallon container. Pack 4.