here is a pretreating stain remover: 1/2 cup ammonia 1/2 cup white vinegar 1/4 cup baking soda 2 tablespoons liquid soap 2 quarts water Mix all ingredients in a spray bottle. Spray the liquid onto the stain, and let it sit for a few minutes. Launder as usual. A Variation: Use soap flakes and baking soda wqhen washing stained natural fabrics. Add 1 tablespoon of vinegar to the rinse to keep colors bright.