Whats everyone use for water filtration? I have really hard water and it leaves spots all over the paint on my tuxedo black f250. I found a Camco filter for RV drinking water supply. I was thinking of getting one of them and putting a nozzle after it to wash the truck.
http://www.walmart.com/ip/Camco-Water-Filter-with-Hose/14504321
http://www.walmart.com/ip/Camco-Water-Filter-with-Hose/14504321