Specifically formulated for food-cutting and preparation surfaces, Suma Block Whitener provides superior cleaning and whitening of cutting boards and other plastic surfaces. It is a high-alkaline, noncorrosive, ready-to-use liquid. Thick liquid formula spreads easily over rough surfaces and allows even applications. It begins to work immediately upon application. Apply directly to surfaces and use with a brush for deep cleaning. Powerful formula whitens and brightens cutting boards in as little as 15 minutes. Whitener meets DOT and OSHA noncorrosive requirements. It is pale yellow and has a chlorine scent.