How Do You Get Stains Out Of Concrete. See more uses. Apply an organic detergent as recommended above to damp concrete.
Clean the concrete surface and allow it to dry. Scrub the area with a push broom to remove the stain. Cover the area with plastic wrap tack down the edges with masking tape and let the absorbent settle in for a full 24 hours.
Clean up with water and a mild cleaner like.
Then use a scrub brush to scrub the area where the juice or vinegar has soaked into the iron stain. 09032010 Get your driveways and cement structures looking clean. 14012018 For cleaning concrete pour the lemon juice or vinegar directly onto the rust stain and allow it to sit for ten minutes so the ingredients can fully penetrate the rust. Heres how to remove oil stains from concrete.