Superdeck

QUIKRETE CONCRETE STAIN CLEANER

Formulated to remove dirt, grime, oil, grease, mildew stains and algae stains from concrete and masonry surfaces. Concrete cleaner is a non-flammable, fast acting, easy-to-use concentrate that is 100% biodegradable and contains no phosphates. Neutralizes concrete and masonry surfaces after acid etching. One gallon yields up to 4 gallons of cleaning solution.