How to Remove Stains from Concrete Countertops Concrete is highly porous and needs to be treated with a concrete sealer to prevent stains, scratches and water absorption.

Got unsightly splotches on your driveway, patio, and garage floor? Here's how to remove concrete stains caused by paint, rust, dirt, oil, and pets.

Key Takeaways Lemon juice contains citric acid which dissolves greasy residue and kills bacteria and mold spores on ...

Bleaching and sanding If the stains prove to be too stubborn, you can fully refresh your countertops with this in-depth procedure, especially if you have a mildew problem.