Sakrete, 23 OZ, Concrete Dissolver/Cleaner, Removes Concrete From Any Surface Without Harming, Fading Or Etching Surface, Use As A Spray Or Soak Tools, Works In 15 Minutes, 100% Biodegradable, Non Hazardous Formula, Contains No Muriatic Or Sulphuric Acid, Will Not Harm Wood, Plastic, Metal Or Paint, Clean Up Cured Concrete & Masonry Residue On Siding, Foundations, Patios, Wooden Decks, Etc, Deactivates & Cleans Up With Water, Spray Bottle, UPC: 0 50605 18222 9.