Blue degreaser is designed to clean smoke from hard surfaces. It is perfect for cleaning apartments of commercial structures that are heavy with smoke from cigarettes or fires. Remember never paint over smoke. Smoke odor will travel through paint and will be almost impossible to remove once you have painted over it. This multiphase formula has special surfactants, wetting agents, emulsifiers and rust inhibitors. It out performs hazardous acids, solvents and other soluble degreasers. This product is non-flammable, and is biodegradable. Dilution ratios may vary. How to use: Mix 1 to 2 oz. per gallon of water. Use as a spotter for Carpet and Upholstery mix 1 to 8. Kitchen and vents mix 1 to 6. For concrete floors or as a degreaser for metal parts mix 1 to 15. For cleaning hard surfaces mix in 10-gallon bucket and clean surface with sponges. Use rubber gloves for personal safey. PH 13.5 Price each $9.95 Case (4) is $7.95 each gallon.