Enzyme Pre-Soak Powder is an enzyme activated detergent additive designed to restore linen that has been discolored by soils and stains. Enzyme Pre-Soak Powder breaks down protein and starch based stains for easy removal in the wash cycle. For institutional laundry use only. Do not use in home style washers.DIRECTIONS:• Fill washer to capacity with linen.• Start machine and allow it to fill with hot water to low level.• Add 1 jar of Enzyme Pre-Soak Powder per 50 pounds of dry linen.• Wash for 12 minutes.• Drain.• Run linen through a minimum of 3 rinses (1-hot and 2-warm water).• Extract• Dry in Drye