How To Get Battery Acid Off Cement. To remove an acid stain from concrete the first thing to do is to clean the surface with another acid muriatic acid. If you do not clean it up you may end up with a damaged area on your concrete floor similar to the one that I had on my floor.
You can use a mild acid to remove some of the color. Battery acid is a mixture of sulfuric acid and water. If this happens surface deterioration will probably be visible.
Mix a paste of baking soda and water.
Apply a second coat if necessary. Click to see full answer. Clean out the sprayer and let the second coat dry. Also the longer the stain sets the harder it is to get out.
