Removing Oil, Paint and Other Concrete Stains Remove oil and grease stains from concrete using TSP and other cleaners http://www.familyhandyman.com/garage/removing-oil-paint-and-other-concrete-stains/view-all
How to: Acid Staining Basement Floors - DirectColors.com
Coffee Brown Acid Stain - Acid staining basement floors is becoming more and more popular finishing option. Acid stained floors are easy to maintain, clean up and add unique character to your home. Here are a few things to keep in mind when selecting products for a basement application.