Efflorescence is commonly caused when soluble salts within building materials or dissolved salts are transferred into building materials by water. At the surface of the building material, the water containing these dissolved salts evaporates leaving behind unsightly white deposits, if left untreated efflorescence can cause corrosive damage to many building surfaces.

• Biodegradable, safe formula.
• Works on walls, paths and patios.
• Pour, spray or brush on.