Sakrete Concrete Mortar Dissolver

Sakrete concrete/mortar dissolver is a safe environmentally friendly liquid alternative to aggressive acid. Concrete removers can be used to remove dried-on cement, concrete, mortar or stucco from most surfaces. Will not harm or fade most surfaces. Use as a spray or soak tools. Works in 15 minutes. 100% biodegradable. Non-hazardous formula contains no acids; will not harm wood, plastic, metal or paint. Clean up cured concrete & masonry residue on siding, foundations, patios, wooden decks, etc.