3f2c04aa_ick___Cleaning___Stain_Removal__Description
[Stain] Iron & welding splatter [Cause] Where unprotected steel is built into masonry, unsightly rust stains may result on both bricks and joints. Similar stains will occur if welding is carried on too close to masonry. [Removal] Phosphoric acid, Oxalic acid or Proprietary cleaners [Description] 
Rust stains
Brick | Cleaning | Stain Removal
Description