Use Citrus Pre-Wash prior to shampooing in either a foam lance, through a pressure washer or with a pump spray.
Can also be used as an upholstery cleaner.
Dilute up to 10:1 and apply through pressure wash or by pump sprayer.
Allow to dwell for upto 2 minutes, then rinse with clean high pressure water.
For upholstery cleaning:
Dilute up to 20:1 with warm water and apply with extraction machine / wet vac.