A productive combination of organic and inorganic acids, wetting agents and inhibitors for use in the professional clean up of new masonry, 202V Vana-Stop New Masonry is specifically formulated for cleaning new brick subject to vanadium, manganese, molybdenum and other metallic stains. It efficiently cleans off residual mortar, efflorescence, job site soiling, and staining. It will work on brick, natural stone, tile, exposed aggregate and several varieties of new masonry construction susceptible to metallic staining. Cleaning with this product greatly reduces the likelihood of a staining occurrence, thereby eliminating costly recleaning and stain removal. Will not discolor or damage surfaces, and is safer and more controllable than raw muriatic acid.