DAMTITE 30 oz. 09730 Concentrated Concrete Cleaner

Crystals, when added to clean water, prepares and etches concrete, masonry, brick, stone, stucco, and tile walls prior to painting. Removes efflorescence (alkaline, salt-like deposits), mortar stains, and form-oil residue. Not for use on horizontal surfaces since may cause staining. Wear rubber gloves, goggles, and protective clothing. Keep product off plants/shrubs.