Limestone & Masonry Afterwash is a mild organic acid cleaning compound that neutralizes and brightens surfaces that have been prewashed with Sure Klean 766 Limestone & Masonry Prewash. When used properly, this two-part cleaning system removes heavy carbon, dirt and other atmospheric stains from porous limestone, concrete and many other porous masonry surfaces.
Limestone & Masonry Afterwash will not damage most masonry surfaces.
Contains no hydrochloric (muriatic) or hydrofluoric acid.
Concentrated for economy.
Easy to apply with brush, roller or low-pressure spray.