In this industry, one of the toughest things to do consistently is to produce a clean car in a touchless automatic wash. The reasons for this vary, from cars that have not been washed in a year to chemicals that are not designed to be used in a touchless environment. There are five important factors that contribute to getting a good touchless clean which are: 

• Water Quality - Hardness & TDS
• Water Temperature
• Pressure 
• Presoak Dwell Time
• Chemistry

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