2. new stains can be used to wipe the stained area, or immediate salt sprinkled in the stained area, and hand rubbing, moistened with water and then immersed in the washing solution to clean the wash, can also be used in warm water rubbing soap to wash away, or and 3-5% sodium hypochlorite solution rubbing stained areas, and then rinsed with clean water.

3. If the stains can be soaked in the solution for 1-2 hours, and then brush, rinse.

4. You can use oxalic acid to wash!

5. 3% to 5% sodium hypochlorite solution wipe stained, and then rinse with water. If the stains, you can soak it in the solution, after 1-2 hours, and then brush and rinse.