Eco Etch Pro is a water-based non-hazardous biodegradable concentrated concrete etcher, efflorescence remover, and concrete cleaner. It is the ideal muriatic acid and phosphoric acid alternative. This advanced formula incorporates a custom blend of bio-surfactants, organic minerals and derivatives of a plant based extract for the most effective concrete etching solution available. This acid etch alternative does not contain phosphoric, hydrochloric or muriatic acid, yet works better, safer and faster. Eco-Etch Pro is the preferred eco-friendly and user friendly acid etching alternative for interior or exterior surface preparation applications. The acid etching alternative, and concrete etching product will not burn skin, corrode mild steel, or harm vegetation. Use this for concrete etching, and as an acid etching alternative for, masonry, cinder block, brick, mortar joints and grout to properly prepare substrates for optimum penetration and adhesion of stains, paints, industrial coatings, and sealers. Eco-Etch Pro is a great efflorescence remover while cleaning dirt, clay, mortar deposits, and light rust. A one step concrete etch and clean solution that brings back a new look surface. Is also an ideal solution to increase non slip, non skid surface traction created by the micropores. Eco Etch Pro will only work on unsealed concrete and masonry surfaces. It must have direct contact with cementitious surfaces to react with the calcium and lime which causes the etching chemical reaction. It is not intended to strip paints or remove stains.