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A modern formulation, DRYLOK® Etch is highly effective in etching masonry, stone, tile, and brick. It removes unsightly efflorescence (salt deposits) as well as excess mortar.
Use DRYLOK® Etch, as a safer alternative to muriatic acid, to treat smooth concrete and condition galvanized surfaces prior to painting.
DRYLOK® Etch is easier to use than those stronger acids typically employed to cut into unprotected parts of metal surfaces, smooth and highly troweled concrete, brick, and ceramic tile.