Citra-Boost A professional strength solvent based cleaning additive which can be added to pre-spray extraction detergent or rotary shampoo solutions to boost cleaning power for tough jobs. Citra-Boost gives more power to remove oily and greasy soil asphalt track-in food soil and many other difficult soils on carpet and wet-cleanable upholstery. Peach liquid with orange citrus fragrance. Dilution 1:2000 to 1:66