The FSS-ProGuard Green Demonstration Treatment Test Kit gives you the opportunity to physically see how effective treatment is in sucessefully stoping the damanging effects of corrosion and MIC (Microbiological Induced Corrossion). The kit contains two test jars with identical metal components that simulate the metalurgy of a fire sprinkler system. Fill both jars within a inch of the lid with water and apply the supplied treatment to one of the two jars. Cap both jars securley and place on shelf for future viewing. "Seeing is Believing!"