This is a powerful, CONCENTRATED biodegradable all purpose cleaner. Super concentrated for all types of cleaning and degreasing. This is one of The Treatment's most popular cleaners because of its strength and flexibility. Dilute Hot Purple 2:1 for an ultra-powerful cleaner for whitewalls, engine, and floors. Dilute more for cleaning vinyl, upholstery or carpets. Hot Purple is the best all around cleaner available to the carwash professional. Stocked in 5 gallon, stackable, plastic squares, 15-gallon natural drums, and 55-gallon drums.