Hotel sheets, some places embroidered as yellow, how wash?
2% of the oxalic acid solution at 50 degrees Celsius warm water washing to remove, and then rinse with water. 3 - 4 grains of vitamin C tablets crushed into powder, sprinkled on the clothes soaked dirt, and then water washing several times, also can remove rust stains.
The rust on the clothes can be covered with salt stains, and then soaked in white vinegar for an hour after washing clothes on the iron rust or blood, can be coated with lemon juice, and then add salt, stay for a period of time, and then washed with water can be removed.
Such as rust, Chen stains, can use 10% oxalic acid, citric acid, water, mixed liquid will be soaked with rust department, and then immersed in concentrated salt water, wash after 1 days can be.
