Oxalic acid works with rust on rusty metal to get dissolved chemically. Oxalic Acid work with ink to get dissolve. It can be used in laundry facilities as an acid rinse that helps to get of rust and ink stains. The oxalic acid chemically reacts with the rust and ink makes it much easier to wash the
Fab Soft makes all washables cloth soft and fluffy during laundering. Makes ironing easier and helps to eliminate chafing , static cling . Clothes stay fresh, wear longer and wrinkle less. it can be added at the beginning of the laundry cycle at the sam