According to good housekeeping this helps soak the stain from the carpet.
Carpet stain remover old stains.
Place five to eight paper towels on top of the stain and weight it down with a heavy item.
Use a clean cloth to apply this solution to the stain from the edges inward.
Blot with a clean dry towel to help lift more of the stain.
Here s a step by step guide to how to remove old stains from carpet with vinegar.
Combine two cups of warm water with one tablespoon of washing up liquid and one tablespoon of white vinegar.
How to remove old stains from carpet with water and detergent mixture this mix works best for dark stains like polish lipstick particles coffee and other dark base items.
Add one tablespoon of detergent into one glass of water.
Mix it well to make a foamy mixture.
Rinse thoroughly with clean hot water.
Simply blot the spot.
Vacuum the baking soda crumbs from the carpet.
Dry working from the outside in.