Formula Z 1 Gallon [Laidlaw]Formula Z Liquid Laundry Booster Formula Z is effective on blood, grease, oil, grass, fruit, makeup, wine, baby formula, food stains, perspiration, shoe polish, crayon, ink and other tough stains. Use in the washer as a booster, as a pre spotter in wetcleaning. A Special Formula for Shirt Laundering and Wetcleaning Softens Water Brightens Colors Keeps Whites Their Whitest Removes Tough Stains Perfect for uniforms, sport and school applications.