PROPERTIES: PLATINUM STAIN OUT Unique product specially developed using a range of organic water based  oxygenated agents in liquid format for easy application. Product removes the most difficult yellowish and brown stains that appear due to humidity and moisture content in stone caused over a period of time. This is more commonly seen in white marbles as yellowish brown stains and in darker stones like granite as dark patches that cannot be removed with normal detergents or general stain removers.