Arts and Entertainment How do you remove a bleach stain? How do you remove a bleach stain? - Rinse the area with cold water to remove any excess bleach. - Create a thick paste by mixing together some baking soda and water. - Spread this over the stain evenly. - Leave to dry and then brush off gently you may want to use an old toothbrush. Related Posts:The best time to paint or stain a deck in the winter is when it is cold.How do you get mold out of a cup?How to remove yellow stains from toilet seat and bowl.How to remove yellow stains from toilet bowl and seat