DRYLOK Etch cleans and etches concrete, stone, tile, and brick. DRYLOK Etch removes efflorescence (salt-like deposits) and excess mortar. It’s perfect for etching concrete and galvanized surfaces prior to painting. Safer to use than muriatic acid.

• Prepares smooth concrete for painting
• Removes efflorescence
• Cleans mortar from brick and tile
• Conditions galvanized surfaces for painting
• No harmful fumes, safer and easier than muriatic acid
• It can be used indoors