Question

How do you remove chemical stains from a black cement floor

Answer 1

Answer:

Pour one-eighth of a cup of liquid dishwashing detergent into a spray bottle, then top off the bottle with warm water and shake well. Spray the concrete stains with the soap solution, let it sit for 10 minutes, and then scrub with a stiff nylon brush.

Answer 2

Answer:

Pour one-eight of a cup of liquid dishwashing detergent into a spray bottle,then top off the bottle with warm water and shake well. Spray the concrete stains with the soap solution, let is sit for 10 minutes, and then scrub with a stiff nylon brush...

hope that's helpful