GhostShield 1000 Hydro-Etch™, Etching Concrete Cleaner, Concentrated

Concentrated: 1 gal. makes 6+ gal. Etches and brightens concrete and masonry Cleans and gives porosity to concrete before sealing Removes white salt deposits from brick, concrete and masonry Cleans algae and scum Removes dirt and stains A powerful, acid-based cleaner, specifically formulated to clean, brighten and etch concrete in addition to removing efflorescence and excess concrete residue. Ghostshield Hydro-Etch 1000 is a powerful, acid-based cleaner, specifically formulated to clean, brighten and etch concrete in addition to removing efflorescence and excess concrete residue.