BLUE STUFF is a premium quality butyl cleaner and degreaser. BLUE STUFF is a truly heavy-duty concentrated degreaser/cleaner, with dilution rates up to 100:1. BLUE STUFF combines a high butyl content, with silicates, caustic soda, wetting agents, rust inhibitors and other special ingredients to form a high-powered product. BLUE STUFF will work in any type of water hardness and temperature. BLUE STUFF quickly attacks and emulsifies greases and oils as well as decarbonizes. BLUE STUFF is not intended for use on aluminum. BLUE STUFF has been formulated to use where weaker products have failed. Comes in quarts and bulk sizes.