This 5l container of K4 is effective against stains of rust, verdigris and other metallic oxides.
- Apply just a few drops of the special solvent at the centre of the spot and gently work the liquid in to the area using the lid, or other tool
- Let the chemical action work on for 20 seconds or so.
- Important: To avoid rings, ensure to flush the solvent out thoroughly with SOFTsolvent or the SOFTsoap.
Avoid contact with skin, eyes and stomach as the product is classified as an irritant.
Prior to spotting, we recommend to try the products on the seam.