Dilutions: Heavy Duty Degreasing 4 : 1 Medium Duty Degreasing 9 : 1 General Cleaning 19 : 1 HOME RUN is Nanoskin s most powerful deg reaser designed to quickly clean even the greasiest engine compartment. It also cuts through and quickly breaking down o il based so iling anywhere on the exterior of a vehicle including rocker panels door jambs wheel wells undercarriages & suspension components. Just spr ay allow it to dwell and agitate as needed to disintegrate nasty o il build up in engine compartments. All you have to do is thoroughly apply HOME RUN to the surface wait 30-60 seconds and then rinse. Ideally use of a pressurized washer will provide optimal results.