Description How do you use HG natural stone coloured stain remover? Follow the steps below to simply remove colour stains from marble and other calciferous natural stone floors with HG natural stone coloured stain remover (HG product 41). Spray the surface from a distance of 3 to 5cm with HG natural stone coloured stain remover and leave it work for 30 minutes. Now wipe off the sprayed surface, using a sponge and water. Repeat the treatment after 30 minutes for stubborn stains.
