Soap Cleans the floor and retains the natural matte finish. Rubio Monocoat Soap is used to clean Rubio Monocoat oiled floors. The concentrate is mixed with water 100:1, 1.3 oz. per gallon. 1 liter will make over 160 refills of Surface Care Spray. Surface Care Spray is Rubio Monocoat Soap mixed with water in a spray bottle. No other cleaners should be used on Rubio Monocoat oiled floors. Available in 1L and 2L conentrate OR Surface Cleaner (Surface Care Spray) Kit containing spray bottle and concentrate to make four 750 ml spray bottles for convenient spot cleaning.