500 g LAUNDRY APPLICATIONS For light soils add 1ounce of Sodium Percarbonate with your laundry detergent per load. For moderate soils use 2 ounces and for heavily soiled articles use 4 ounces. To whiten and deodorize diapers or to destain cloth menstrual pads add 4-6 ounces of Sodium Percarbonate In the laundry Sodium Percarbonate is used to destain, deodorize, and whiten. It is very effective as a laundry presoak for heavily stained articles. For light soils add 1ounce of Sodium Percarbonate with your laundry detergent per load. For moderate soils use 2 ounces and for heavily soiled articles use 4 ounces. To whiten and deodorize diapers add 4-6 ounces of Sodium Percarbonate into the soak cycle. Soak in hot water for at least 30 minutes, or overnight, then complete wash cycle. For whitening old linens and yellowed window shears, deodorizing and cleaning tennis shoes, or to get rid of yellow armpit stains on shirts: soak in 2 ounces of Sodium Percarbonate per gallon of water for at least one hour, or overnight, then rinse. Special Note Sodium Percarbonate is not suitable for use with silk or wool. Sodium Percarbonate will not remove rust stains or mineral deposits from hard water. Special Note Sodium Percarbonate is not suitable for use with silk or wool. Sodium Percarbonate will not remove rust stains or mineral deposits from hard water.