Rust-Oleum 293438 Rocksolid Efflorescence Remover, 1 Gallon

Rocksolid Efflorescence Remover is used to remove white, chalky residue and mild rust stains found on concrete and masonry. Suitable for interior and exterior use.

Highlights:

• Size: 1 Gallon
• Brightens concrete & masonry surfaces
• Safe near grass & plants
• For use on bare concrete