6/case directions: simple and safe formula can be used in high efficiency machines that have a soak cycle, in addition to regular washing machines - hot water is best. No ammonia. No fragrance oils. No bleach. Use it alone as a long soak. Add it to a carpet machine. Add to your regular wash as a booster. Ingredients: sodium percarbonate, sodium carbonate, citric acid and pure lemon essential oil. 7/8/16