To remove this stain, mix the following spot remover(s) and then follow the process below.

Ammonia Solution: One tablespoon clear ammonia to one-half cup water.
Dish Detergent Solution: One teaspoon mild dish detergent to one cup water.

Directions :
1. Apply warm water or soda water and blot.
2. Apply dish detergent solution and blot.
3. Apply ammonia solution and blot again.
4. Rinse with tap water and blot dry.

A Better Image Restorations (757)963-9144