Also known as solid hydrogen peroxide,
A stain remover, traditional laundry whitener.
To boost the performance of your laundry detergent simply add 1 tbs of sodium percarbonate to the drum of your washing machine.
For tough stains add an additional tablespoon, run your usual wash cycle as normal, adding your usual laundry detergent.
For whitening clothes you will get the best results by using sodium percarbonbate as a pre-soak. In this case add 2 tbs of sodium percarbonate per 4 litres of warm water and soak your clothing for 6 hours, Then wash your clothes as normal.