Aqua Mix Poultice Easily Remove Stubborn Stains - .75 lb Aqua Mix Poultice Stain Remover is a dual-purpose, non-acidic stain remover Absorptive clay paste removes deep-set oil and grease stains without scrubbing Fine abrasive cleaning powder removes stubborn surface stains and light grout haze For granite, limestone, marble, slate, travertine, porcelain, satillo, cement, and masonry Coverage: 35 to 200 square feet per pound, depending on dilution.