Rust-Oleum 238475 Concrete Etch, 1 Pack Go to amazon.com Related posts Top 10 acid etch for 2022 FeatureNo dangerous acids or fumesWon't harm grass or plantsIntended for use on bare concrete surfaces onlyHighly concentrated formula makes 2 gallons of etching solution.Covers 250 square feet DescriptionRust-Oleum 238475 EPOXYShield Concrete Etch