Answer:
How do you remove stubborn stains?
Pretreat it with a liquid laundry detergent, using an up-and-down motion with a soft brush to break up the stain. Rinse well. Sponge with white vinegar and rinse again. Repeat, treating the stain with liquid detergent, then with white vinegar until you've removed as much stain as possible.
OR
Mix 1/2 cup hydrogen peroxide with two cups cool water. “It will solve almost all tough stains,” says Leverette, who advises against using acidic cleaners like vinegar or lemon juice, which can etch the stone.
Explanation:
Use a solution of 50 percent vinegar and 50 percent water on the stain. Apply liberally and then treat with laundry soap and water. DO NOT put the garment in the dryer until you have seen that the stain is gone that's a warning.