Efflorescence Remover sprays into Natural Masonry, Stucco, Synthetic Stucco and other wall surfaces. The efflorescence remover removes efflorescence and other acid-soluble stains. It will also remove rust, scale, stains and other mineral deposits from stucco and restores the surface to their original appearance.
It gives you 400 square feet of coverage. The Efflorescence Remover comes packaged in a case of 4 gallons.